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Top 10 in Science
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MIT: New theory on how brain learns
GilbertZ submitted, made popular 1 hour 20 min ago (web.mit.edu)
Brain uses both neural 'teacher' and 'tinkerer' networks in learning. While most people need peace and quiet to cram for a test, the brain itself may need noise to learn, a recent MIT study suggests. In experiments with monkeys, the researchers found that neural activities in the brain gradually change, even when nothing new is being learned. More…
Blown 2009 Cadillac CTS-v reaches 600hp
bankhead submitted, made popular 3 hours 2 min ago (www.motortrend.com)
The next-generation muscle-Caddy, which is expected in the 2009 model year along with the quicker-than-Z06 Chevrolet Corvette, also will get the supercharged LS7 7.0-liter powerplant. More…
When Can The Government Quarantine You?
Blakovitch submitted, made popular 5 hours 33 min ago (www.slate.com)
Last week, the CDC isolated Andrew Speaker, infected with tuberculosis. By the time officials issued the order, however, the man had already traveled to France, Greece, and Italy for his wedding and honeymoon, exposing a number of airline passengers to the disease along the way. When can the government quarantine its citizens? More…
Forgetfulness is a tool of the brain
Alexius submitted, made popular 10 hours 3 min ago (www.newscientist.com)
"A note to the forgetful: be thankful you don ’t remember everything. It means your brain is working properly. According to a new study, the brain only chooses to remember memories it thinks are most relevant, and actively suppresses those that are similar but less used, helping to lessen the cognitive load and prevent confusion." More…
A Sound Way To Turn Heat Into Electricity
4tuneCookie submitted, made popular 12 hours 30 min ago (www.sciencedaily.com)
University of Utah physicists developed small devices that turn heat into sound and then into electricity. More…
High res images from Mars
sariel submitted, made popular 12 hours 32 min ago (hirise.lpl.arizona.edu)
NASA put up amazing pictures of Mars. Help them out by trying to identify possible interesting spots :) "On board NASA ’s Mars Reconnaisance Orbiter, the HiRISE camera offers unprecedented image quality, giving us a view of the Red Planet in a way never before seen. It’s the most powerful camera ever to leave Earth’s orbit." More…
Mysterious radio waves on Titan
hanksname submitted, made popular 14 hours 3 min ago (www.scientificblogging.com)
Sensors on Huygens detected an extremely low frequency (ELF) radio wave during the descent. It was oscillating very slowly for a radio wave, just 36 times a second, and increased slightly in frequency as the probe reached lower altitudes. More…
Ancient fathers of the zodiac tracked down
tomboy501 submitted, made popular 18 hours 29 min ago (www.nature.com)
A U.S. astronomer has traced the origins of a set of ancient clay tablets made in Babylon around 687 BC. The tablets, showing constellations thought to be precursors of the present-day zodiac, are now confirmed to be based on much earlier observations made by Assyrian astronomers around 1,370 BC. More…
Venting Our (Carbon Dioxide) Problems into Space
TheContinental0 submitted, made popular 19 hours 13 min ago (www.treehugger.com)
This week's issue of The Economist reports on an interesting scheme proposed by Alfred Y. Wong, professor of physics and director of the Plasma Physics Laboratory at UCLA to rid the Earth of CO2 emissions. Wong posits that a conveyor built in the Arctic could take advantage of the Earth's magnetic field to expel emissions into outer space. More…
Last survivor of dinosaur age faces extinction
Alexius submitted, made popular 20 hours 35 min ago (www.dailymail.co.uk)
"It has survived ice ages, volcanic eruptions and the intrusion of humans on its South Pacific island home, but New Zealand's last survivor of the dinosaur age may become extinct due to global warming." More…
Genes Of The Rich And Famous
Alexius submitted, made popular 22 hours 51 min ago (www.forbes.com)
"What human genetics needs is a celebrity spokesman. That's one idea behind a high-profile effort to speed gene research. Billionaire Paul Allen, who co-founded Microsoft, and CNN talk show host Larry King are among those who have signed on to have their genes sequenced as part of the Archon X Prize." More…
More people died last year from eating Spinach than smoking Marijuana
geekchic submitted, made popular 23 hours 32 min ago (www.miamiherald.com)
Marijuana laws are a mishmash among the 50 states. It isn't entirely legal anywhere, but 12 states have at least partly decriminalized it, to the point that in Alaska there is no penalty for possessing an ounce or less at home. More…
With New Test, Men Can Have At-Home Fertility Screening
mazerstar submitted, made popular 1 day 1 hour ago (www.nytimes.com)
Many men, faced with the prospect of going to the doctor for a fertility evaluation, will tell you: they would rather just stay home. Now they can. A new at-home screening test, called Fertell, lets couples find out if they have fertility problems without stepping into a doctor ’s office. The test has his and hers components — a screening test... More…
Breakthrough Fuel Cell, Twice as Efficient as Generators
RandyFithian submitted, made popular 1 day 3 hours ago (www.ecogeek.org)
Acumentrics Corporation, a leading developer of solid-oxide fuel cells and uninterruptible power supplies, has won a 2007 New England Innovation Award from SBANE, the Smaller Business Alliance of New England for their novel solid oxide fuel cell. More…
6 Billion Bits of Data About Me, Me, Me!
tomboy501 submitted, made popular 1 day 6 hours ago (www.nytimes.com)
James D. Watson, who helped crack the DNA code half a century ago, last week became the first person handed the full text of his own DNA on a small computer disk. But he won ’t be the last. Soon enough, scientists say, we will all be able to decipher our own genomes for as little as $1,000. More…
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10:54 AM
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