sciencehabit shares a report from Science Magazine: Choked by a smog of sulfuric acid and scorched by temperatures hot enough to melt lead, the surface of Venus is sure to be lifeless. For decades, researchers also thought the planet itself was dead, capped by a thick, stagnant lid of crust and unaltered by active rifts or volcanoes. But hints of volcanism have mounted recently, and now comes the best one yet: direct evidence for an eruption. Geologically, at least, Venus is alive.

The discovery comes from NASA's Magellan spacecraft, which orbited Venus some 30 years ago and used radar to peer through the thick clouds. Images made 8 months apart show a volcano's circular mouth, or caldera, growing dramatically in a sudden collapse. On Earth, such collapses occur when magma that had supported the caldera vents or drains away, as happened during a 2018 eruption at Hawaii's Kilauea volcano. Witnessing this unrest during the short observation period suggests either Magellan was spectacularly lucky, or, like Earth, Venus has many volcanoes spouting off regularly, says Robert Herrick, a planetary scientist at the University of Alaska, Fairbanks. Herrick, who led the study, says, "We can rule out that it's a dying planet."

The discovery, published today in Science and presented at the Lunar and Planetary Science Conference, makes Venus only the third planetary body in the Solar System with active magma volcanoes, joining Earth and Io, Jupiter's fiery moon. It means future missions to Venus will be able to study "bare, gorgeous new rock" that provides a sample of the planet's interior, Gilmore says. The discovery of more volcanoes, in old or future data, will also help scientists understand how Venus is shedding its interior heat and evolving. And it will shake scientists out of their long-standing view that a spasm of activity a half-billion years ago repaved the planet's surface -- as evidenced by a relative paucity of impact craters -- and was followed by a long period of quiet.

Discord updated their privacy policy to quietly drop their promise to alert users "in advance" if the company ever started storing contents of video calls, voice calls, or channels. Naturally, this alarmed some users who wondered if the company plans to start retaining call recordings. According to a Discord spokesperson, the answer is no. Ars Technica reports: "There has not been a change in Discord's position on how we store or record the contents of video or voice channels," a Discord spokesperson told Ars. "We recognize that when we recently issued adjusted language in our privacy policy, we inadvertently caused confusion among our users. To be clear, nothing has changed and we have reinserted the language back into our privacy policy, along with some additional clarifying information."

Before users began complaining, the policy was going to be updated to say that Discord would be collecting information on "any content that you upload to the service. For example, you may write messages or posts (including drafts), send voice messages, create custom emojis, create short recordings of GoLive activity, or upload and share files through the services. This also includes your profile information and the information you provide when you create servers."

As users raised concerns on Reddit, Discord staffers seemed to rush to assuage fears, saying, "We understand that the wording of the new privacy policy is broad and can be misunderstood" and promising, "We are going to fix this." Since then, Discord added back in the missing language, word for word: "We generally do not store the contents of video or voice calls or channels. If we were to change that in the future (for example, to facilitate content moderation), we would disclose that to you in advance." A Reddit user identifying as a Discord staffer told Redditors that Discord won't "regularly" collect this type of content. That doesn't mean it will never happen though. "In response to user outrage, the policy's new updated language now also specifies that Discord may collect some of this type of content in the future," adds Ars.

"We may build features that help users engage with voice and video content, like create or send short recordings," Discord's new policy states.

"Crypto firms should do their work within the bounds of the law, or they shouldn't do it at all," says the head of America's Securities and Exchange Commission, which regulates US. investment markets.

In an editorial published in The Hill, SEC chair Gary Gensler warns that instead cryptocurrency has many "trusted" intermediaries that are in fact non-compliant with U.S. securities law. Today, crypto is dominated by a handful of trading, lending, staking, and other financial intermediaries. The investing public is trusting these entities to be responsible with investors' assets. According to some data, the three largest crypto trading platforms purportedly account for almost three quarters of all trading volume. Crypto entrepreneurs might claim, in their own marketing materials, that they're transparent and regulated. But make no mistake: Very few, if any, are actually registered with the SEC and fully compliant with the federal securities laws.

The lack of compliance puts investors' hard-earned assets at risk. Investors lack fundamental disclosures about the crypto assets themselves and the firms who execute their trades and custody their assets: What are firms doing with customer assets? How are they funding their promised returns? Are they putting their hands in investors' pockets? When you buy or sell a token, are you trading against the house? What are the rules to protect against manipulation and fraud? Without disclosure and other investor protections, we simply don't know.

In essence, these firms are saying, "trust us." What's more, when firms go bankrupt (as many have of late), they turn to bankruptcy courts to sort out their mess.
"[B]ased upon how crypto platforms generally operate, investment advisers cannot rely on them today as qualified custodians," the editorial concludes. Rather than comply with the relevant laws, "it has felt like some have sought a stamp of approval for noncompliant activity, rather than changing a fundamentally non-compliant business model rife with conflicts." Of course, another tool in our toolbox is rooting out noncompliance through investigations and enforcement actions. The SEC has successfully brought or settled more than 100 cases against crypto intermediaries and token issuers, including some who operated Ponzi or pyramid schemes, engaged in unlawful touting, or committed other forms of fraud....

Some have said that we should let the innovation flourish or risk it going overseas. But forsaking investor protection puts real people's life savings at risk.
"It's a basic bargain in finance: If you want to raise money from the public, disclose certain facts and figures," Gensler told Politico this week. Their article notes "crypto giants are threatening to move their businesses across the Atlantic" from America to Europe, but with Gensler responding "We lose more if investors get harmed here." Crypto lobbyists have framed Gensler's push to force their industry to comply with 90-year-old securities laws as a war against financial innovation. Whatever changes brought by crypto markets will pale compared to what could come as brokerages and financial data aggregators move to incorporate artificial intelligence into their offerings, Gensler said.

"The much more transformative technology right now of our times is predictive data analytics and everything underlying artificial intelligence," he said, adding that he looked forward to working with lawmakers on how those tools could be regulated.

Slashdot readers madsh, Ellis Haney, and sciencehabit all submitted this report from Science: A recent study, scheduled to be presented at an upcoming computer vision conference, demonstrates that AI can read brain scans and re-create largely realistic versions of images a person has seen....

Many labs have used AI to read brain scans and re-create images a subject has recently seen, such as human faces and photos of landscapes. The new study marks the first time an AI algorithm called Stable Diffusion, developed by a German group and publicly released in 2022, has been used to do this.... For the new study, a group in Japan added additional training to the standard Stable Diffusion system, linking additional text descriptions about thousands of photos to brain patterns elicited when those photos were observed by participants in brain scan studies. Unlike previous efforts using AI algorithms to decipher brain scans, which had to be trained on large data sets, Stable Diffusion was able to get more out of less training for each participant by incorporating photo captions into the algorithm....

The AI algorithm makes use of information gathered from different regions of the brain involved in image perception, such as the occipital and temporal lobes, according to Yu Takagi, a systems neuroscientist at Osaka University who worked on the experiment. The system interpreted information from functional magnetic resonance imaging (fMRI) brain scans, which detect changes in blood flow to active regions of the brain. When people look at a photo, the temporal lobes predominantly register information about the contents of the image (people, objects, or scenery), whereas the occipital lobe predominantly registers information about layout and perspective, such as the scale and position of the contents. All of this information is recorded by the fMRI as it captures peaks in brain activity, and these patterns can then be reconverted into an imitation image using AI. In the new study, the researchers added additional training to the Stable Diffusion algorithm using an online data set provided by the University of Minnesota, which consisted of brain scans from four participants as they each viewed a set of 10,000 photos.
If a study participant showed the same brain pattern, the algorithm sent words from that photo's caption to Stable Diffusion's text-to-image generator.

Iris Groen, a neuroscientist at the University of Amsterdam who was not involved with the work, told Science that "The accuracy of this new method is impressive."

An anonymous reader quotes a report from Motherboard: A security researcher appears to have tracked the physical location of a former top Biden administration official through his apparent usage of AllTrails, a popular hiking app with more than 30 million registered users. The AllTrails records appear to show the official visiting sensitive locations such as the White House, and also suggests the specific house where he or his family lives. By default, AllTrails users' activity is public for anyone to view, including completed trails, maps, and activities. But that convenience and focus on providing a social network style experience comes with potential risks around national security or privacy, depending on the particular user. Whether a public figure like a government official or celebrity, or someone at risk of stalking in general such as someone in an abusive relationship, AllTrails' privacy settings may be something users should consider.

"I found interesting results by searching near the Pentagon, NSA, CIA or White House and then looking at the user's other activity," Wojciech, the security researcher, told Motherboard in an email. Wojciech said they used their own open source intelligence platform as part of the investigative process. They said the tool supports Strava and another app called SportsTracker, and will include AllTrails itself soon. Wojciech sent Motherboard a link to what they believed to be the AllTrails profile of the former top Biden official. Motherboard is not naming the official because they did not respond to requests for comment, and their profile is still publicly accessible.

One trip to the White House in December recorded in AllTrails also shows a nearby apartment building he ended his journey at. More trips recorded that month show the official's other movements throughout Washington D.C. Much of the AllTrails activity relates to when this official was part of the administration. Motherboard searched through the official's AllTrails activity and found multiple hikes starting from the same location. Motherboard then queried public records and found this location was a house registered to the official's family, meaning AllTrails had helped identify where the official or his family may have been living. Motherboard also verified that the official does have an account on AllTrails by attempting to sign up to the service with the official's personal email address. This was not possible because the address was already registered to an account.

Google is expanding VPN access to all Google One members on all plans and rolling out a new dark web report feature for all subscribers. From a report: VPN by Google One was previously only available to members on the Premium 2TB plan, but will now be available to all Google One members, including those on the Basic plan that starts at $1.99 per month. The tech giant notes that VPN by Google One adds more protection to your internet activity no matter what apps or browsers you use, shielding it from hackers or network operators by masking your IP address. Google is also introducing a new feature called "dark web report" for Google One members on all plans in the United States to help users monitor their personal information on the dark web. Dark web report will start rolling out over the next few weeks to members across all Google One plans in the United States.

Police were investigating his neighbor. A judge gave officers access to all his security-camera footage, including inside his home. From a report: The week of last Thanksgiving, Michael Larkin, a business owner in Hamilton, Ohio, picked up his phone and answered a call. It was the local police, and they wanted footage from Larkin's front door camera. Larkin had a Ring video doorbell, one of the more than 10 million Americans with the Amazon-owned product installed at their front doors. His doorbell was among 21 Ring cameras in and around his home and business, picking up footage of Larkin, neighbors, customers and anyone else near his house. The police said they were conducting a drug-related investigation on a neighbor, and they wanted videos of "suspicious activity" between 5 and 7 p.m. one night in October. Larkin cooperated, and sent clips of a car that drove by his Ring camera more than 12 times in that time frame. He thought that was all the police would need. Instead, it was just the beginning.

They asked for more footage, now from the entire day's worth of records. And a week later, Larkin received a notice from Ring itself: The company had received a warrant, signed by a local judge. The notice informed him it was obligated to send footage from more than 20 cameras -- whether or not Larkin was willing to share it himself. As networked home surveillance cameras become more popular, Larkin's case, which has not previously been reported, illustrates a growing collision between the law and people's own expectation of privacy for the devices they own -- a loophole that concerns privacy advocates and Democratic lawmakers, but which the legal system hasn't fully grappled with. Questions of who owns private home security footage, and who can get access to it, have become a bigger issue in the national debate over digital privacy. And when law enforcement gets involved, even the slim existing legal protections evaporate. "It really takes the control out of the hands of the homeowners, and I think that's hugely problematic," said Jennifer Lynch, the surveillance litigation director of the Electronic Frontier Foundation, a digital rights advocacy group.

In the debate over home surveillance, much of the concern has focused on Ring in particular, because of its popularity, as well as the company's track record of cooperating closely with law enforcement agencies. The company offers a multitude of products such as indoor cameras or spotlight cameras for homes or businesses, recording videos based on motion activation, with the footage stored for up to 180 days on Ring's servers. They amount to a large and unregulated web of eyes on American communities -- which can provide law enforcement valuable information in the event of a crime, but also create a 24/7 recording operation that even the owners of the cameras aren't fully aware they've helped to build.

Matt_Bennett (Slashdot reader #79,107) writes: Swedish power company Vattenfall released a study on the interactions of seabirds and offshore wind turbines. They used cameras and radar to record the tracks of the birds during daylight hours at Aberdeen Offshore Wind Farm over peak periods of bird activity in 2020 and 2021.

The study observed no collisions or even narrow escapes between birds and rotor blades. In 97.7% of the recordings, the birds avoided the RSZ (rotor swept zone).
The company (owned by the Swedish government) spent €3 million on the two-year study, according to Electrek, and now has ten thousand videos of birds flying...nowhere near the wind turbines. Herring gulls avoided the rotor blades by a full 90-110 meters (295-361 feet) while kittiwakes flew even further from the blades — 140-160 meters (459-525 feet).

"By way of comparison, each of these human-related sources kill millions or even billions of birds per year: fossil fuels, deforestation, pesticides, windows, and the common housecat."

Britain's failed attempt to send satellites into orbit was a "disaster" and MPs are being urged to redirect funding to hospitals, with the country now seen as "toxic" for future launches. The Guardian reports: Senior figures at the Welsh company Space Forge, which lost a satellite when Virgin Orbit's Start Me Up mission failed to reach orbit, said a "seismic change" was needed for the UK to be appealing for space missions. Lengthy delays by the Civil Aviation Authority (CAA), as well as the launch failure, had left Space Forge six months behind its competition in the race to be the first company to bring a satellite back down to Earth, when it had been six months ahead, the science and technology committee heard.

Patrick McCall, a non-executive director at Space Forge, said: "The CAA is taking a different approach to risk, and a bit to process and timing as well. But I think unless there is, without wanting to be too dramatic, a seismic change in that approach, the UK is not going to be competitive from a launch perspective. I think the conclusion I've reached is right now it's not a good use of money, because our regulatory framework is not competitive." He added that the UK ought to consider spending the money it was investing in launch capability on other areas, such as hospitals.

Greg Clark, the chair of the committee, said it was a "disaster" that an attempt to show what the UK was capable of had turned "toxic for a privately funded launch." "We had the first attempted launch but the result is that you as an investor in space are saying there is no chance of investors supporting another launch from the UK with the current regulator conditions." Dan Hart, the CEO of Virgin Orbit, told MPs he had expected the CAA to work more similarly to the Federal Aviation Authority in the US but he had found the UK regulator more conservative. The company has since ended its contract with Spaceport Cornwall at Newquay airport but said it was still hoping to launch from the site in the future. Sir Stephen Hillier, the chair of the CAA, said: "Our primary duty is to ensure that the space activity in the UK is conducted safely. The CAA licensed in advance of technical readiness."

Starting today, Google is rolling out fall detection to all Pixel Watches. The Verge reports: Google's version of fall detection is similar to those you'll find on other smartwatches, like the Apple Watch and the Samsung Galaxy Watch 4 and 5 lineups. It uses the device's motion sensors and machine learning to figure out when someone's taken a tumble and might need some help. The feature will purportedly kick in about 30 seconds after it detects a hard fall. At that point, the watch will vibrate, sound an alarm, and flash a notification asking if the Pixel Watch owner needs help. If users don't respond after a minute, the watch will automatically call emergency services and share their location.

According to Google, the Pixel Watch ought to be able to differentiate between a hard fall, stumble, or physical activity that may mimic falling -- like the dreaded burpee. Whether that claim holds water is another matter that we'll have to test for ourselves. [...] The feature is opt in, so you'll have to turn it on manually if it's something you want. Google says Pixel Watch owners may see a promotional card pop up in the Updates page within the Watch Companion app. If you don't see it there, you can also check directly from the wrist in the Personal Safety app.

An anonymous reader quotes a report from KrebsOnSecurity: Three different cybercriminal groups claimed access to internal networks at communications giant T-Mobile in more than 100 separate incidents throughout 2022, new data suggests. In each case, the goal of the attackers was the same: Phish T-Mobile employees for access to internal company tools, and then convert that access into a cybercrime service that could be hired to divert any T-Mobile user's text messages and phone calls to another device. The conclusions above are based on an extensive analysis of Telegram chat logs from three distinct cybercrime groups or actors that have been identified by security researchers as particularly active in and effective at "SIM-swapping," which involves temporarily seizing control over a target's mobile phone number.

Countless websites and online services use SMS text messages for both password resets and multi-factor authentication. This means that stealing someone's phone number often can let cybercriminals hijack the target's entire digital life in short order -- including access to any financial, email and social media accounts tied to that phone number. All three SIM-swapping entities that were tracked for this story remain active in 2023, and they all conduct business in open channels on the instant messaging platform Telegram. KrebsOnSecurity is not naming those channels or groups here because they will simply migrate to more private servers if exposed publicly, and for now those servers remain a useful source of intelligence about their activities.

Each advertises their claimed access to T-Mobile systems in a similar way. At a minimum, every SIM-swapping opportunity is announced with a brief "Tmobile up!" or "Tmo up!" message to channel participants. Other information in the announcements includes the price for a single SIM-swap request, and the handle of the person who takes the payment and information about the targeted subscriber. The information required from the customer of the SIM-swapping service includes the target's phone number, and the serial number tied to the new SIM card that will be used to receive text messages and phone calls from the hijacked phone number. Initially, the goal of this project was to count how many times each entity claimed access to T-Mobile throughout 2022, by cataloging the various "Tmo up!" posts from each day and working backwards from Dec. 31, 2022. But by the time we got to claims made in the middle of May 2022, completing the rest of the year's timeline seemed unnecessary. The tally shows that in the last seven-and-a-half months of 2022, these groups collectively made SIM-swapping claims against T-Mobile on 104 separate days -- often with multiple groups claiming access on the same days. In a written statement to KrebsOnSecurity, T-Mobile said this type of activity affects the entire wireless industry.

"And we are constantly working to fight against it," the statement reads. "We have continued to drive enhancements that further protect against unauthorized access, including enhancing multi-factor authentication controls, hardening environments, limiting access to data, apps or services, and more. We are also focused on gathering threat intelligence data, like what you have shared, to help further strengthen these ongoing efforts."

An anonymous reader quotes a report from Ars Technica: Cheap, light, flexible, yet robust circuit boards are critical for wearable electronics, among other applications. In the future, those electronics might be printed on flexible circuits made out of bacterial cultures used to make the popular fermented black tea drink called kombucha, according to a recent paper posted to the arXiv preprint server. "Nowadays kombucha is emerging as a promising candidate to produce sustainable textiles to be used as eco-friendly bio wearables," co-author Andrew Adamatzky, of the University of the West of England in Bristol, old New Scientist. "We will see that dried -- and hopefully living -- kombucha mats will be incorporated in smart wearables that extend the functionality of clothes and gadgets. We propose to develop smart eco-wearables which are a convergence of dead and alive biological matter."

Adamatzky previously co-authored a 2021 paper demonstrating that living kombucha mats showed dynamic electrical activity and stimulating responses, as well as a paper last year describing the development of a bacterial reactive glove to serve as a living electronic sensing device. Inspired by the potential of kombucha mats for wearable electronics, he and his latest co-authors have now demonstrated that it's possible to print electronic circuits onto dried SCOBY mats. The team used commercially sourced kombucha bacteria to grow their mats, then air-dried the cultures on plastic or paper at room temperature. The mats don't tear easily and are not easily destroyed, even when immersed in water for several days. One of the test mats even survived oven temperatures up to 200 C (392 F), although the mats will burn when exposed to an open flame. Adamatzky et al. were able to print conductive polymer circuits onto the dried kombucha mats with an aerosol jet printer and also successfully tested an alternative method of 3D printing a circuit out of a conductive polyester/copper mix. They could even attach small LEDs to the circuits with an epoxy adhesive spiked with silver, which were still functioning after repeatedly being bent and stretched.

According to Adamatzky et al., unlike the living kombucha mats he worked with previously, the dried SCOBY mats are non-conductive, confining the electrical current to the printed circuit. The mats are also lighter, cheaper, and more flexible than the ceramic or plastic alternatives. Potential applications include wearable heart rate monitors, for instance, and other kombucha-based devices. "Future research will be concerned with printing advanced functional circuits, capable for detecting -- and maybe recognizing -- mechanical, optical, and chemical stimuli," the authors concluded.

An anonymous reader quotes a report from The Guardian: It is the children's toy, invented in Britain, that inspired a passion for engineering, science and technology in generations of youngsters -- and their parents. Meccano building sets filled with reusable perforated metal -- and later plastic -- strips, plates, nuts, bolts, winches, wires, wheels and even motors have been used to construct models and mechanical devices for more than 120 years.

Now the last dedicated Meccano factory in the world is being closed and dismantled. The Canadian company that owns Meccano has said the plant at Calais will close at the beginning of 2024, putting 51 people out of work. It blamed the soaring cost of raw materials and "a lack of competitiveness" for the closure. Spin Master, which bought the brand in 2013, said Meccano toys would continue to be produced by its "network of partners in Europe, Asia and Latin America."

"We have no other choice than to envisage the end of industrial activity at the Calais factory," Spin Master said in a statement, adding that the factory had "never managed to break even" in spite of receiving 7 million euros in investment since 2014.

Meccano was the largest toy manufacturer in the UK by the 1930s. "By the 1920s Meccano Magazine had a monthly circulation of 70,000 and Meccano groups had sprung up around the world," adds The Guardian. "It has been in decline since the 1950s."

"No massive cooling towers, miles of concrete, expansive evacuation zones," writes the Washington Post, describing modular nuclear reactors instead as "space-age plants that can be small enough to fit in a large backyard," using "downsized" reactors like the ones on nuclear-powered submarines.

And America's coal country "is a ripe target for this experiment, with infrastructure that can be repurposed, capable workforces and communities eager to reclaim prominence in the energy economy." More than 300 retired and operating coal plants in the United States are good candidates for a nuclear conversion, according to a recent Department of Energy report that has touched off a frenzy of activity. Communities that previously rejected nuclear power as unsafe or a threat to the coal industry are now clamoring to be a part of what might be branded nuclear 2.0. "See that hilltop over there?" said Michael Hatfield, a former coal company engineer who is now the administrator for Wise County [in Virginia]. "If you put a nuclear plant someplace like that, it is not going to be near anybody's backyard. This would keep us in the forefront of the energy business. We see it as our future...."

It was only a year ago that nuclear power was banned in West Virginia, under a state law intended to protect the coal industry. The state is among several to either lift such a ban or pass a law encouraging development of small nuclear reactors over the last few years. Political leaders see opportunities to boost regional economies and to get a piece of the billions of dollars in subsidies for generating "advanced nuclear" power available through the recently enacted Inflation Reduction Act.... Virginia is among at least eight states pursuing a small reactor. At least another eight have launched feasibility studies, according to federal energy officials.
And back in Washington D.C. there's also high hopes for the technology: U.S. climate envoy John F. Kerry said in a recent interview with The Post that the technology's success is vital for meeting the world's goal of avoiding the most catastrophic fallout from climate change by limiting warming to 1.5 degrees Celsius.

"I don't think we get there without it," Kerry said.

The CBC reports: You may have seen stories over the past week or so with headlines like, "Part of the sun breaks free and forms a strange vortex, baffling scientists," or "Unbelievable moment a piece of the sun BREAKS OFF baffles scientists" or even "NASA captures piece of sun breaking off, baffles scientists." It all started with a harmless, informative tweet. Tamitha Skov, a space weather forecaster and science communicator, just broke away from the main filament... Implications for understanding the sun's atmospheric dynamics above 55 degrees here cannot be overstated!"

But are scientists actually baffled? Tamitha Skov laughs. "No," she said....

The eight-hour event started off with a solar prominence (also known as a solar filament), that began to rise up near the north pole of the sun, which is seen at the top in satellite images. Prominences are made up of plasma, a hot gas of electrically charged hydrogen and helium. They are common on the sun, but it was the location of this one — at the sun's north pole — that was of particular interest to heliophysicists. "What ended up happening was something that started off as a very normal, average, what we call a polar crown filament. It became this kind of tweeted her excitement that "material from a northern prominence big tower, like a big volcano that was beginning to rise up near the very northern pole," Skov explained. The prominence was near the top of the north pole, above 60 degrees latitude where it got caught in an electromagnetic wind. "And it began to yank and pull at some of the material in that prominence," Skov said.

"So it was rising like a hot air balloon, so to speak, up in the air. And as it cooled, instead of just cooling back down and falling, or perhaps erupting, like a normal polar crown filament, part of it got ripped off in this wind. And as it shredded off into this wind, we got to watch it cool down, swirl in a vortex. And that is a very rare, if not, fundamentally new observation."
It looks like the material ultimately just returns to the surface of the sun -- albeit providing clues about the sun's polar winds and the specifics of its magnetic activity cycle.

Skov also says that the sun's magnetic polar fields "flip" during its 22-year solar cycle, which increases the odds of non-charged particles traveling to the poles, according to the article. "So scientists weren't baffled, since they already had some knowledge about this type of activity. But they were thrilled to be able to witness it."

Thanks to long-time Slashdot reader aduxorth for sharing the news.

An anonymous reader quotes a report from Ars Technica: New data suggests that psychedelics may activate serotonin signaling in a very different way than serotonin itself can, reaching the receptors in parts of the cell that serotonin can't get to. Serotonin signaling is complicated. There are seven classes of receptors in humans; some activate signaling pathways, while others inhibit them. One group of receptors allows ions into a cell in response to serotonin, triggering nerve impulses. The rest interact with proteins inside the cell, triggering longer-term responses to serotonin. Psychedelics such as LSD and mescaline bind to members of this latter group and activate it.

This action produces some rather dramatic changes in how people perceive their surroundings. But there's also some evidence that psychedelics promote changes to nerve cells that allow these cells to alter their connectivity. This occurs by causing the structures that receive input from other nerve cells, called dendrites, to grow and branch, potentially allowing additional or altered inputs. One hypothesis is that this altered connectivity allows cells to escape whatever network configuration has been associated with a medical disorder. The researchers confirmed these results using DMT, a psychedelic found in ayahuasca, and psilocin, the active form of the drug psilocybin, which is typically obtained from mushrooms. Twenty-four hours after mice received one of these drugs, nerve cells in their brains had an increased density of extensions from their dendrites. This growth was accompanied by an increased frequency of activity in individual nerve cells. Running the same tests in mice that lacked the gene for the specific serotonin receptor that these drugs target blocked both of these effects, confirming that serotonin signaling is central to the changes.

The researchers then started testing close chemical relatives of the drugs and saw a clear pattern: Making the drug less likely to interact with water boosted their effects on neurons. This suggested that the ability to cross membranes, which are very water-repellant, might be needed to promote changes in dendrites. To confirm this, the researchers poked holes in the membranes, which boosted the activity of water-friendly drug variants that wouldn't readily cross the membrane. This is all a bit confusing because the serotonin receptors sit inside the membrane and interact with the cell's exterior. They have to -- that's where the serotonin is. So why would anything that interacted with those receptors need to cross a membrane to the cell's interior? The receptors on the cell's surface are definitely key to the cell's response to serotonin. But the receptors don't just magically appear on the cell's surface -- they're made elsewhere in the cell and take a while to be processed and transported to the surface. The researchers found a population of serotonin receptors sitting inside a structure called the Golgi. It's not clear whether this population is simply on its way to the cell surface or whether it's retained there by some specific biological activity. Normally, these receptors wouldn't come into contact with serotonin, so they wouldn't signal from this location. But the researchers modified a protein to make it pump serotonin inside of cells and showed that it had the same effect the psychedelics had, suggesting the receptors could be activated and that this activation was key to altering neural connectivity. The study has been published in the journal Science.

The number of islands in Japan is expected to more than double after 7,000 new islands it didn't know existed were discovered. Well, kind of. From a report: The nation currently comprises 6,852 islands, but that figure dates back to a 1987 study conducted by the Japan Coast Guard. During a December 2021 parliamentary session, a lawmaker argued the data was old and the true figure could be vastly different. "An accurate understanding of the number of islands is an important administrative matter that is related to the national interest," the legislator said, according to Kyodo News. During the 1987 study, officials listed -- by hand -- islands with a circumference of at least 100 meters. They used basic technology that often misidentified groups of small islands as one island.

They also left out thousands of islands, many of which were within lakes or rivers. They didn't include river sandbanks either, which the United Nations Convention on the Law of the Sea now recognizes as islands. Plus, volcanic activity has led to the creation of more islands since the study over 35 years ago. Now, with the recount, that figure is expected to rise to 14,125 islands, a source familiar with the matter told Kyodo News.

As Meta gears up for its "year of efficiency," the company announced today it's exiting the livestream shopping business on Instagram, following a similar shutdown on Facebook. From a report: Starting on March 16, 2023, Instagram users will no longer be able to tag products while livestreaming -- a capability that has been broadly available to U.S. businesses and creators since 2020. The changes highlight the difficulties the U.S. market has had in making livestream shopping successful. The activity is already hugely popular activity in Asian markets, including China where apps like WeChat, Taobao Live and Douyin (China's TikTok) have proven live shopping to be a popular and profitable endeavor. As the pandemic raged across the globe, many U.S. businesses looked to adopt live shopping as well, to help boost their own online retail revenues. Before too long, pundits were calling live shopping the "future of e-commerce," citing the early traction businesses like TalkShopLive, NTWRK, Brandlive, and others in the space had gained, alongside adoption from big tech companies like Meta, Amazon, and YouTube.

An anonymous reader quotes a report from KrebsOnSecurity: Authorities in the United States and United Kingdom today levied financial sanctions against seven men accused of operating "Trickbot," a cybercrime-as-a-service platform based in Russia that has enabled countless ransomware attacks and bank account takeovers since its debut in 2016. The U.S. Department of the Treasury says the Trickbot group is associated with Russian intelligence services, and that this alliance led to the targeting of many U.S. companies and government entities. Initially a stealthy trojan horse program delivered via email and used to steal passwords, Trickbot evolved into "a highly modular malware suite that provides the Trickbot Group with the ability to conduct a variety of illegal cyber activities, including ransomware attacks," the Treasury Department said.

"During the height of the COVID-19 pandemic in 2020, Trickbot targeted hospitals and healthcare centers, launching a wave of ransomware attacks against hospitals across the United States," the sanctions notice continued. "In one of these attacks, the Trickbot Group deployed ransomware against three Minnesota medical facilities, disrupting their computer networks and telephones, and causing a diversion of ambulances. Members of the Trickbot Group publicly gloated over the ease of targeting the medical facilities and the speed with which the ransoms were paid to the group."

Only one of the men sanctioned today is known to have been criminally charged in connection with hacking activity. According to the Treasury Department, the alleged senior leader of the Trickbot group is 34-year-old Russian national Vitaly "Bentley" Kovalev. A New Jersey grand jury indicted Kovalev in 2012 after an investigation by the U.S. Secret Service determined that he ran a massive "money mule" scheme, which used phony job offers to trick people into laundering money stolen from hacked small to mid-sized businesses in the United States. The 2012 indictment against Kovalev relates to cybercrimes he allegedly perpetrated prior to the creation of Trickbot. A copy of the now-unsealed 2012 indictment of Kovalev is here (PDF).

An anonymous reader quotes a report from The New York Times: Many people in the United States would like to control the information that companies can learn about them online. Yet when presented with a series of true-or-false questions about how digital devices and services track users, most Americans struggled to answer them, according to a report published (PDF) on Tuesday by the Annenberg School for Communication at the University of Pennsylvania. The report analyzed the results of a data privacy survey that included more than 2,000 adults in the United States. Very few of the respondents said they trusted the way online services handled their personal data. The survey also tested people's knowledge about how apps, websites and digital devices may amass and disclose information about people's health, TV-viewing habits and doorbell camera videos. Although many understood how companies can track their emails and website visits, a majority seemed unaware that there are only limited federal protections for the kinds of personal data that online services can collect about consumers.

Seventy-seven percent of the participants got nine or fewer of the 17 true-or-false questions right, amounting to an F grade, the report said. Only one person received an A grade, for correctly answering 16 of the questions. No one answered all of them correctly. Seventy-nine percent of survey respondents said they had "little control over what marketers" could learn about them online, while 73 percent said they did not have "the time to keep up with ways to control the information that companies" had about them. "The big takeaway here is that consent is broken, totally broken,"Joseph Turow, a media studies professor at the University of Pennsylvania who was the lead author of the report, said in an interview. "The overarching idea that consent, either implicit or explicit, is the solution to this sea of data gathering is totally misguided -- and that's the bottom line."

The survey results challenge a data-for-services trade-off argument that the tech industry has long used to justify consumer tracking and to forestall government limits on it: Consumers may freely use a host of convenient digital tools -- as long as they agree to allow apps, sites, ad technology and marketing analytics firms to track their online activities and employ their personal information. But the new report suggests that many Americans aren't buying into the industry bargain. Sixty-eight percent of respondents said they didn't think it was fair that a store could monitor their online activity if they logged into the retailer's Wi-Fi. And 61 percent indicated they thought it was unacceptable for a store to use their personal information to improve the services they received from the store. Only a small minority -- 18 percent -- said they did not care what companies learned about them online. "When faced with technologies that are increasingly critical for navigating modern life, users often lack a real set of alternatives and cannot reasonably forgo using these tools," Lina M. Khan, the chair of the Federal Trade Commission, said in a speech (PDF) last year.

In the talk, Ms. Khan proposed a "type of new paradigm" that could impose "substantive limits" on consumer tracking.