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Science

Radiation Detection Goes Digital 58

Posted by Soulskill from the hope-it-has-sound-effects dept.
RedEaredSlider writes "In science fiction, explorers wave around a single device and pick up many kinds of radiation — think of the tricorders on Star Trek or Dr. Who's sonic screwdriver. A professor at Oregon State University is bringing that a bit closer to reality, though in this case it's for finding radioactive material. It's a radiation spectrometer, and it works on a very old principle: particles and photons that hit certain materials will make them emit flashes of light. But for decades, radiation spectrometers had been limited to detecting only one kind of radiation at a time. David Hamby, an OSU professor of health physics, felt that there was a need for a device that could see at least two kinds of radiation, as well as be smaller than the models currently available."
Science

Structure In Brain Linked To Varied Social Life 96

Posted by timothy from the party-node-for-party-mode dept.
An anonymous reader writes "Scientists have discovered that the amygdala, a small, almond-shaped structure deep within the temporal lobe, is important to a rich and varied social life among humans. The finding was published this week in a new study in Nature Neuroscience and is similar to previous findings in other primate species, which compared the size and complexity of social groups across those species."
Science

The Animal World Has Its Junkies, Too 250

Posted by timothy from the entire-mountain-covered-in-snow dept.
Phoghat writes "Research scientists have used many animal species in investigating mind-altering drugs, but it may come as a surprise to learn that animals in the wild — from starlings to reindeer — also make use of psychoactive substances of their own accord. It seems that many of these species have a natural desire to experience altered states of consciousness, and man may well have found his way to some of his favourite recreational drugs by observing the behaviour of animals."
Space

Solar Dynamo Still Anemic, Magnetism and UV Lax 156

Posted by timothy from the hog-belly-futures-slack dept.
radioweather writes "While we are well along into solar cycle 24, there remains a significant gap between the predictions of where we should be, and where we actually are in the progression of the cycle. Recently, the sun went spotless again, and the solar Ap geomagnetic index, an indicator of the solar magneto, hit zero. It is something you really don't expect to see this far along into the cycle. In other solar news, scientists monitoring the SORCE solar satellite have found that solar ultraviolet emissions have dropped significantly in the past few years. The Solar Irradiance Monitor on the satellite 'suggests that ultraviolet irradiance fell far more than expected between 2004 and 2007 — by ten times as much as the total irradiance did — while irradiance in certain visible and infrared wavelengths surprisingly increased, even as solar activity wound down overall.'"
Toys

Aerial Video Footage of New York Taken By RC Plane 208

Posted by timothy from the make-friends-in-law-enforcement dept.
kkleiner writes with this fun bit from Singularity Hub: "Expert remote control pilot Raphael 'Trappy' Pirker recently took his 54 inch Zephyr model plane on a harrowing tour of Manhattan and the surrounding area. The best part: his RC vehicle was fitted with a camera that wirelessly transmitted an amazing recording of everything it saw – Pirker was piloting his craft with this visual feed. As you can see in the video, the results were spectacular. The plane looks to be flying within a few feet of buildings and whizzing past bridges with ease. You have to check out around 2:01 when he starts to buzz right by the Statute of Liberty."
Medicine

Placebos Work -- Even Without Deception 430

Posted by CmdrTaco from the smoke-and-mirrors dept.
An anonymous reader writes "For most of us, the 'placebo effect' is synonymous with the power of positive thinking; it works because you believe you're taking a real drug. But a new study rattles this assumption. Researchers at Harvard Medical School's Osher Research Center and Beth Israel Deaconess Medical Center have found that placebos work even when administered without the seemingly requisite deception. The study was published on December 22 in PLoS ONE."
Earth

Watch 200 Years of Global Growth In 4 Minutes 270

Posted by CmdrTaco from the statistics-are-fun dept.
kkleiner writes "A professor of international health in Sweden, Hans Rosling has a long history of exploring the facts and figures that surround our changing world. In the a segment of the BBC series, Rosling gives one of his most famous lectures with a new twist. Using 120,000+ bits of data and augmented reality, the exuberant professor takes us through the last 200 years of global history and its uneven growth of wealth and health." This is really worth watching. Seriously.
Image

Stunts, Idiocy, and Hero Hacks 208

Posted by samzenpus from the when-it-just-has-to-get-done dept.
snydeq writes "InfoWorld's Paul Venezia serves up six real-world tales of IT stunts and solutions that required a touch of inspired insanity to pull off, proving once again that knowing when to throw out the manual and do something borderline irresponsible is essential to day-to-day IT work. 'It could be server on the brink of shutting down all operations, a hard drive that won't power up vital data, or a disgruntled ex-employee who's hidden vital system passwords on the network. Just when all seems lost, it's time to get creative and don your IT daredevil cap, then fire up the oven, shove the end of a pencil into the motherboard, or route the whole city network through your laptop to get the job done,' Venezia writes."
Biotech

Scientists Create Programmable Bacteria 117

Posted by samzenpus from the anti-coding-soap dept.
wilmavanwyk writes "In research that further bridges the biological and digital world, scientists at the University of California, San Francisco have created bacteria that can be programmed like a computer. Researchers built 'logic gates' – the building blocks of a circuit – out of genes and put them into E. coli bacteria strains. The logic gates mimic digital processing and form the basis of computational communication between cells, according to synthetic biologist Christopher A. Voigt."
Power

Video Shows Why Recharging Kills Batteries 111

Posted by timothy from the batteries-all-suck dept.
sciencehabit writes with this except from Science: "You may not give a lot of thought to what happens inside the battery of your laptop or cell phone, but to judge from this video, it's not a dull place. The battery in question is a miniature rechargeable lithium-ion device, and the clip shows what happens when it is charged. As lithium ions flow from the positively charged cathode into the 200-nanometre diameter wires of tin oxide that make up the negatively charged anode, the nanowires writhe and bulge, causing them to expand up to 2.5 fold. The wires also change structure from a neatly ordered crystal to a disordered glassy material. These distortions may explain why such batteries ultimately wear down. Knowing more about the process may help researchers develop longer lasting, and perhaps much smaller, batteries in the future."
Science

Scientists Create Mice From 2 Fathers 435

Posted by samzenpus from the heather-has-two-mommies dept.
An anonymous reader writes "Using stem cell technology, reproductive scientists in Texas, led by Dr. Richard R. Behringer at the M.D. Anderson Cancer Center, have produced male and female mice from two fathers. The study was posted Wednesday at the online site of the journal Biology of Reproduction. The achievement of two-father offspring in a species of mammal could be a step toward preserving endangered species, improving livestock breeds, and advancing human assisted reproductive technology. It also opens the provocative possibility of same-sex couples having their own genetic children, the researchers note."
Medicine

Team Use Stem Cells to Restore Mobility in Paralyzed Monkey 196

Posted by samzenpus from the we-can-rebuild-him dept.
interval1066 writes "From the article: 'Japanese researchers said Wednesday they had used stem cells to restore partial mobility in a small monkey that had been paralysed from the neck down by a spinal injury.' This is huge news in the world of stem cell research; restoring some muscular control to a simian is a huge step. This means that stem cell therapy is a demonstrably viable path to restoring motility for millions of accident victims, palsy and ms sufferers, the list just goes on."
AMD

AMD Releases Three New Low-Cost CPUs 101

Posted by CmdrTaco from the cheap-at-twice-the-price dept.
WesternActor writes "With its new Fusion APUs coming out in about a month, you wouldn't think AMD would still be tweaking its processor lineup. But it released three new processors today—the Phenom II X6 1100T Black Edition, the Phenom II X2 565 Black Edition, and the Athlon II X3 455—to balance out its price-performance offerings. The Black Edition CPUs with their unlocked multipliers are probably the most interesting, particularly the Phenom II X6 1100T Black Edition which has six cores, runs at 3.3 GHz, and costs only $265. As the name implies, the 1100T represents only a minute increase in clock speed over the 1090T. It even has the same amount of L2 and L3 cache (3MB and 6MB, respectively), is based on the same 45nm production process, and is designed for the currently standard AM3 socket. Given that 1090T got the downward nudge in price to $235, however, the 1100T offers slightly better performance for less money."

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