DesScorp writes "Science News reports on a story which blames a centuries long cooling of Europe on the discovery of the new world. Scientists contend that the native depopulation and deforestation had a chilling effect on world-wide climate. 'Trees that filled in this territory pulled billions of tons of carbon dioxide from the atmosphere, diminishing the heat-trapping capacity of the atmosphere and cooling climate, says Richard Nevle, a geochemist at Stanford University.' The story notes that the pandemics in the Americas were possibly an example of human climate manipulation predating the Industrial Revolution, though isotope measurements used during research have much uncertainty, so 'that evidence isn't conclusive.'"

codeman07 writes "In a small laboratory on an upper floor of the basic science building at the Medical University of South Carolina, Vladimir Mironov, M.D., Ph.D., has been working for a decade to grow meat. A developmental biologist and tissue engineer, Dr. Mironov, 56, is one of only a few scientists worldwide involved in bioengineering 'cultured' meat. It's a product he believes could help solve future global food crises resulting from shrinking amounts of land available for growing meat the old-fashioned way... on the hoof. Growth of 'in-vitro' or cultured meat is also underway in the Netherlands, Mironov told Reuters in an interview, but in the United States, it is science in search of funding and demand."

steve_thatguy writes "According to Discovery News, Italian scientists have made artificial bone from wood. Created by blasting wood blocks with heat until they are nearly pure carbon then coating them with calcium, the scientists say the material allows bones to heal faster and more securely. Unlike titanium, the wood-based artificial bones flex slightly much like real bone, and the porous nature of the wood allows for better bio-activity with surrounding tissue. Though human testing is still likely years away, the material is currently being used successfully in sheep and may have other industrial applications."

I Don't Believe in Imaginary Property writes "Doctor's groups, including the AMA and too many others to list, are supporting the Mayo Clinic in the case Prometheus v. Mayo. The Mayo Clinic alleges that the patents in question merely recite a natural phenomenon: the simple fact that the level of metabolites of a drug in a person's body can tell you how a patient is responding to that drug. The particular metabolites in this case are those of thiopurine drugs and the tests are covered by Prometheus Lab's 6,355,623 and 6,680,302 patents. But these aren't the only 'observational' patents in medicine — they're part of a trend where patents are sought to cover any test using the fact that gene XYZ is an indicator for some disease, or that certain chemicals in a blood sample indicate something about a patient's condition. There are even allegations that certain labs have gone so far as to send blood samples to a university lab, order testing for patented indicators, then sue that university for infringement. Naturally, Prometheus Labs sees this whole story differently, arguing that the Mayo Clinic will profit from treating patients with knowledge patented by them. They have their own supporters, too, such as the American Intellectual Property Law Association." Prometheus doesn't seem to be a classic patent troll; they actually perform the tests for which they have obtained patents.

theodp writes "He once controlled the world's PCs. Now Bill Gates has set his sights on controlling the world's weather. And patenting it. On Thursday, the USPTO revealed that Gates and ex-Microsoft CTO Nathan Myhrvold have filed five patent applications that propose using large fleets of vessels to suppress hurricanes through various methods of mixing warm water from the surface of the ocean with colder water at greater depths. The idea is to decrease the surface temperature, reducing or eliminating the heat-driven condensation that fuels the giant storms. Hey, a guy can only play so much golf in retirement."

Hugh Pickens writes "Every human body harbors about 100 trillion bacterial cells, outnumbering human cells 10 to one. There's been a growing consensus among scientists that bacteria are not simply random squatters, but organized communities that evolve with us and are passed down from generation to generation. 'Human beings are not really individuals; they're communities of organisms,' says microbiologist Margaret McFall-Ngai. 'This could be the basis of a whole new way of looking at disease.' Recently, for example, evidence has surfaced that obesity may well include a microbial component. Jeffrey Gordon's lab at the Washington University School of Medicine in St. Louis published findings that lean and obese twins — whether identical or fraternal — harbor strikingly different bacterial communities that are not just helping to process food directly; they actually influence whether that energy is ultimately stored as fat in the body. Last year, the National Institutes of Health launched the Human Microbiome Project to characterize the role of microbes in the human body, a formal recognition of bacteria's far-reaching influence, including their contributions to human health and certain illnesses. William Karasov, a physiologist and ecologist at University of Wisconsin-Madison, believes that the consequences of this new approach will be profound. 'We've all been trained to think of ourselves as human,' says Karasov, adding that bacteria have usually been considered only as the source of infections, or as something benign living in the body. Now, Karasov says, it appears 'we are so interconnected with our microbes that anything studied before could have a microbial component that we hadn't thought about.'"

Hugh Pickens writes "According to a survey of college students Facebook users have lower overall grades than non-users. The study by Aryn Karpinski, an education researcher at Ohio State University, found that Facebook user GPAs are in the 3.0 to 3.5 range on average, compared to 3.5 to 4.0 for non-users and that Facebook users also studied anywhere from one to five hours per week, compared to non-users who studied 11 to 15 or more hours per week. Karpinski emphasized that correlation does not equal causation and that the grades association could be caused by something else. 'I'm just saying that there's some kind of relationship there, and there's many third variables that need to be studied.' One hypothesis is that students who spend more time enjoying themselves rather than studying might tend to latch onto the nearest distraction, such as Facebook or that students who use the social networking site might also spend more time on other non-studying activities such as sports or music. 'It may be that if it wasn't for Facebook, some students would still find other ways to avoid studying, and would still get lower grades. But perhaps the lower GPAs could actually be because students are spending too much time socializing online.' As for herself, Karpinski said she doesn't have a Facebook account, although the co-author of the study does. 'For me, I think Facebook is a huge distraction.'"

An anonymous reader writes "Yesterday iFixit tore apart the Nintendo DSi and found several internal upgrades from the outgoing DS Lite. It seems that an experienced hand can completely disassemble the DSi in less than ten minutes using standard tools, especially since the job does not require a tri-wing screwdriver. This should make repairing and tinkering with the DSi substantially easier. The DSi now includes two integrated cameras that, unfortunately, have only 0.3 megapixel resolution. This is certainly a bit underwhelming considering most mainstream phones have cameras of at least 1.3 megapixels. As for chips, Nintendo is using a Samsung MoviNAND integrated 256 MB Flash memory / MMC controller chip, as well as a custom ARM CPU + GPU is stamped with the revision code 'TWL.' The DSi's chips all had manufacture dates around September 2008, indicating that Nintendo has been stockpiling these devices for quite a while prior to the North American release."

nandemoari writes "In response to the current economic crisis, Microsoft Corp. has come out with a stimulus plan of their own. Their goal is to help a large group of individuals use their computers to land employment in ways other than to generate a compelling resume. The new online initiative, Elevate America, is set to equip close to 2 million people (over the next three years) with the skills needed to succeed in the field of technology."

carazoo.com sends along a story on Volvo's upcoming crash-proof car. The company will introduce a concept car based on the S60 this month at the Detroit Auto Show, looking ahead a few years to the goal that by 2020 "no one should be killed or injured in a Volvo car." The concept car will have forward-looking radar as a proximity sensor, and the ability to brake if a collision is imminent. When the car senses a collision, a light flashes on the windscreen display along with an audible warning. If the driver doesn't act, the car will brake automatically.