A Science News Aggregator That Covers Stories in the World Of Science And Technology.
Monday, November 23, 2009
IBM's Blue Gene Supercomputer Models a Cat's Entire Brain
From Popular Science:
Using 144 terabytes of RAM, scientists simulate a cat's cerebral cortex based on 1 billion neurons and 10 trillion synapses.
Cats may retain an aura of mystery about their smug selves, but that could change with scientists using a supercomputer to simulate the the feline brain. That translates into 144 terabytes of working memory for the digital kitty mind.
Read more ....
Sunday, November 22, 2009
Large Hadron Collider: Beams Are Back on at World's Most Powerful Particle Accelerator
From Science Daily:
Science Daily (Nov. 20, 2009) — Particle beams are once again zooming around the world's most powerful particle accelerator -- the Large Hadron Collider -- located at the CERN laboratory near Geneva, Switzerland. On November 20 at 4:00 p.m. EST, a clockwise circulating beam was established in the LHC's 17-mile ring.
After more than one year of repairs, the LHC is now back on track to create high-energy particle collisions that may yield extraordinary insights into the nature of the physical universe.
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Wiring the Wilderness
From Live Science:
HPWREN (the High-Performance Wireless Research and Education Network) began in 2000 with the objective of connecting remote science sites to a high-speed network. Today, the wireless network covers nearly 20,000 square miles in San Diego, Riverside and Imperial counties in Southern California.
Hans-Werner Braun, a research scientist at the University of California, San Diego, Supercomputer Center, is principal investigator of the project along with Frank Vernon, a geophysicist at the Scripps Institution of Oceanography.
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Money Does Not Make You Happy 'But Therapy Does'
From The Telegraph:
Money does not make you happy but therapy does, academics have discovered.
A massive pay rise or even winning the National Lottery may not offer as much joy as talking about your problems, researchers have found.
They warn that often we overestimate how much money will increase our happiness.
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How 16 Ships Create As Much Pollution As All The Cars In The World
From The Daily Mail:
Last week it was revealed that 54 oil tankers are anchored off the coast of Britain, refusing to unload their fuel until prices have risen.
But that is not the only scandal in the shipping world. Today award-winning science writer Fred Pearce – environmental consultant to New Scientist and author of Confessions Of An Eco Sinner – reveals that the super-ships that keep the West in everything from Christmas gifts to computers pump out killer chemicals linked to thousands of deaths because of the filthy fuel they use.
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Acid Oceans Leave Fish At More Risk From Predators
Ocean acidification could cause fish to become "fatally attracted" to their predators, according to scientists.
A team studying the effects of acidification - caused by dissolved CO2 - on ocean reefs found that it leaves fish unable to "smell danger".
Young clownfish that were reared in the acidified water became attracted to rather than repelled by the chemical signals released by predatory fish.
The findings were published in the journal Ecology Letters.
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Life Expectancy And The Dangers Of Defying Death
From Times Online:
Understanding and predicting longevity are vital if we are to manage the implications of greater life expectancy.
There’s been a lot of news recently about dying — or, more exactly, about surviving. According to figures for 2006-08 just published by the Office for National Statistics, life expectancy at birth in the Royal Borough of Kensington and Chelsea, West London, has reached 84.3 years for males, 88.9 for females.
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Bing: Google Gets Some Real Competition
From the Christian Science Monitor:
It’s hard to compete when your opponent’s name is so popular that it’s become a verb. Such is the plight of every search engine that dares to challenge Google.
Last year, four search engines made up more than 95 percent of all search traffic: Google, Yahoo, MSN, and Ask. Only Google increased its share of the pie that year, eating up 67 percent of all searches in January and 72 percent by 2009, according to the online traffic monitor Hitwise.
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H1N1 Isn't The Only Worry: Syphilis Is Making A Comeback
RALEIGH, N.C. _ As health departments battle the H1N1 flu virus, North Carolina health workers worry that another epidemic may be brewing - one for a sexually transmitted disease that had almost disappeared from the state 10 years ago.
Cases of syphilis in the state have nearly doubled in the past year: 684 in the first nine months, compared to 359 cases for the same period a year earlier.
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A Look At Global Warming Written In A Cooler And More Skeptical Time, Giving Us A Better Understanding Of Climate Science
From Fabius Maximus:
The hacked emails and papers from the UK’s Climate Research Unit reveal the underside of climate science (as the many bizarre conclusions do the same for the anti-AGW mob). Spinning data to conceal contrary evidence, avoiding freedom of information requests, purging the profession of skeptical voices. All familiar things to anyone familiar with the history of science. All evidence of the most important step needed, and that most strongly opposed by most climate scientists:
Raise the standards when applying science research to public policy questions. That means requiring full transparency of data and methods used in climate science research, and third party review of the data, analysis, and models.
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The Dubai Airshow As Seen From Orbit
From Popular Science:
Our friend the GeoEye-1 satellite, which tirelessly photographs the world at half-meter resolution from its constant orbit, swung by the Dubai Airport the other day and took this snap of the Dubai Airshow, in progress this week. Thanks, GeoEye-1!
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Were Rats Behind Easter Island Mystery?
By Jayne Clark, USA TODAY
From USA Today:
Easter Island's mystery — brooding statues atop a treeless Polynesian island — fascinates tourists and scholars alike.
And inspires debate.
"Who or what destroyed the ancient palm woodland on Rapa Nui (Easter Island)?" ask German ecologists Andreas Mieth and Hans-Rudolf Bork, in an upcoming paper in the Journal of Archaeological Science. "The circumstances, causes and triggers of these environmental changes are the subject of persistent scientific discussion."
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Solar Winds Triggered By Magnetic Fields
From Science Daily:
Science Daily (Nov. 22, 2009) — Solar wind generated by the sun is probably driven by a process involving powerful magnetic fields, according to a new study led by UCL (University College London) researchers based on the latest observations from the Hinode satellite.
Scientists have long speculated on the source of solar winds. The Extreme Ultraviolet Imaging Spectrometer (EIS), on board the Japanese-UK-US Hinode satellite, is now generating unprecedented observations enabling scientists to provide a new perspective on the 50-year old question of how solar wind is driven. The collaborative study, published in this month's issue of Astrophysical Journal, suggests that a process called slipping reconnection may drive these winds.
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Sushi Often Not What You Think
From Live Science:
That tuna in your sushi might be an endangered species, a new study finds.
Some genetic detective work by scientists has shown that bluefin tuna, an endangered fish, regularly gets put on the plates of sushi eaters in New York and Colorado.
"When you eat sushi, you can unknowingly get a critically endangered species on your plate," said Jacob Lowenstein, a graduate student affiliated with the American Museum of Natural History in New York and Columbia University. "But with an increasingly popular technique, DNA barcoding, it is a simple process for researchers to see just what species are eaten at a sushi bar."
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Fewer Players 'Secret To World Cup Success'
From The Telegraph:
The secret to success in next year’s Football World Cup could have been uncovered by academics.
New research shows that managers who field the fewest players during a campaign go on to win the most trophies.
By contrast, those who tinker too often with their selection cut their chances of victory.
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Beam Sent From Large Hadron Collider After 14 Months Of Repairs
From The Daily Mail:
The world’s largest atom smasher, the Large Hadron Collider, has been re-started after 14 months of repairs.
The $10billion (£6billion) machine suffered a spectacular failure more than a year ago – just nine days after the launch.
Scientists are hoping the results from the device, which was designed to smash together beams of protons in a bid to recreate conditions after the Big Bang, will shed some light on the makeup of matter and the universe.
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Water Mission Returns First Data
From BBC:
Europe's latest Earth observation satellite has returned its first data.
Smos was launched earlier this month on a quest to help scientists understand better how water is cycled around the Earth.
The spacecraft will make the first global maps of the amount of moisture held in soils and of the quantity of salts dissolved in the oceans.
The data will have wide uses but should improve weather forecasts and warnings of extreme events, such as floods.
Read more ....
Saturday, November 21, 2009
W5 Investigates Intriguing New Theory About MS
From CTV News:
A group of doctors in Italy is investigating a fascinating new treatment for multiple sclerosis, based on a theory that, if proven true, could radically alter the lives of patients.
An investigation by CTV's W5 reveals that this treatment appears to stop the disease from progressing. Patients seen in the documentary relate how, after the simple procedure, their MS symptoms suddenly stopped and, in some cases, they were able to resume normal lives.
The Italian research is asking fundamental questions about the origins of the debilitating condition, whose causes have long remained a mystery.
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Scientific Scandal Appears To Rock Climate Change Promoters
There's big news for climate change students. A hacker has gotten into the computers at Hadley CRU, Britain's largest climate research institute and a proponent of global warming, and seems to have uncovered evidence of substantial fraud in reporting the "evidence" on global warming; the unlawful destruction of records to cover up this fraud ,conspiracy,and deceit in the entire operation.
While hacking into the institute's records is inappropriate if not illegal, the activities disclosed appear illegal and damaging to science and the economies of the world.
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Friday, November 20, 2009
Robotic Spy Planes Go Green
From Live Science:
Robot spy planes are harnessing alternative energy to make them more covert and longer lasting than ever.
Such drones could also find use in civilian life to help monitor the earth or wildlife as well, researchers noted.
Increasingly, the military is deploying unmanned aerial vehicles, or UAVs, as eyes in the sky to scan the ground for targets and threats, especially for missions that are too dangerous for manned aircraft.
The problem with using internal combustion engines for these spy drones is how noisy they are.
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Hacked: Sensitive Documents Lifted From Hadley Climate Center
Well, this should get interesting.
The Hadley Climate Research Unit in Britain was hacked yesterday, apparently by Russian black hats, and thousands of sensitive documents, including emails from climate scientists dating back a decade, were posted online. More here.
Officials at Hadley, a leading global-warming research center, have apparently confirmed to an Australian a Kiwi publication that the documents are genuine.
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Large Hadron Collider Restarted
From The Australian/AFP:
THE world's biggest atom-smasher, shut down after its inauguration in September 2008 amid technical faults, has been restarted.
"The first tests of injecting sub-atomic particles began around 1600 (01:00 AEDT),'' CERN spokesman James Gillies said.
He said the injections lasted a fraction of a second, enough for "a half or even a complete circuit'' of the Large Hadron Collider built in a 27km long tunnel straddling the Franco-Swiss border near Geneva.
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Little Progress In Freeing A Rover On Mars
From The New York Times:
The NASA rover Spirit, stuck in sand on Mars, tried to move Tuesday for the first time since May. In less than a second, it stopped.
Cautious mission managers had put tight constraints on the Spirit’s movement to ensure that it did not drive itself into a deeper predicament. Because the uncertainty in its tilt was more than one degree, the rover called it a day. Spirit awaits new instructions.
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Norwegian Scientists Detect Mutated Form Of Swine Flu
From The Washington Post:
Norwegian scientists detect mutated form of swine flu.
Scientists in Norway announced Friday they had detected a mutated form of the swine flu virus in two patients who died of the flu and a third who was severely ill.
In a statement, the Norwegian Institute of Public Health said the mutation "could possibly make the virus more prone to infect deeper in the airways and thus cause more severe disease," such as pneumonia.
The institute said there was no indication that the mutation would hinder the ability of the vaccine to protect people from becoming infected or impair the effectiveness of antiviral drugs in treating people who became infected.
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Mammoth Dung Unravels Extinction
From The BBC:
Mammoth dung has proven to be a source of prehistoric information, helping scientists unravel the mystery of what caused the great mammals to die out.
An examination of a fungus that is found in the ancient dung and preserved in lake sediments has helped build a picture of what happened to the beasts.
The study sheds light on the ecological consequences of the extinction and the role that humans may have played in it.
Researchers describe this development in the journal Science.
The study was led by Dr Jacquelyn Gill from the University of Wisconsin, Madison, in the US.
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Intel Labs Europe Tackles Large-Scale Computing
Intel Labs Europe is joining a handful of French institutions to investigate large-scale computing challenges that face today's information technology industry.
The Exascale Computing Research Center will investigate machines that can perform 1,000 times more calculations than today's top supercomputers, Intel said, and the chipmaker is spending millions of dollars on the three-year partnership.
Read more ....Outlandish Planet Has Wonky Orbit
in a study published in mid-2009. Credit: ESA
From Cosmos Magazine:
SYDNEY: Astronomers have found an extrasolar planet with an "outlandish orbit" that circles its star either backwards, or at an angle of around 90º to the orientation of the star's rotation.
Planets in our own Solar System orbit in the same plane and direction as the Sun's own rotation. This led astronomers to propose the 'nebula hypothesis' - whereby planets form from a flat, swirling disk of gas around a proto-Sun.
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A Few Million Degrees Here And There And Pretty Soon We’re Talking About Real Temperature
From Watts Up With That?
This is mind blowing ignorance on the part of Al Gore. Gore in an 11/12/09 interview on NBC’s tonight Show with Conan O’Brien, speaking on geothermal energy, champion of slide show science, can’t even get the temperature of earth’s mantle right, claiming “several million degrees” at “2 kilometers or so down”. Oh, and the “crust of the earth is hot” too.
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Studying A Legend: K.E. Tsiolkovskii, Grandfather of Soviet Rocketry
Anyone who has studied the history of the space age has come across the name Konstantin Tsiolkovskii (1857–1935), often under the more common alternative spelling Tsiolkovsky. He is generally credited with the development of the basic mathematical formulae for space travel. Other than that, he is often described as the man who after the revolution inspired a small group of space enthusiasts, including Glushko and Korolev, to begin serious work on rocket technology. The details of his life, as James Andrews explains in his new study of the man, are more complex and far more interesting than the legend.
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Pushing The Brain To Find New Pathways
From Science Daily:
Science Daily (Nov. 19, 2009) — Until recently, scientists believed that, following a stroke, a patient had about six months to regain any lost function. After that, patients would be forced to compensate for the lost function by focusing on their remaining abilities. Although this belief has been refuted, a University of Missouri occupational therapy professor believes that the current health system is still not giving patients enough time to recover and underestimating what the human brain can do given the right conditions.
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Mad Science? Growing Meat Without Animals
From Live Science:
Winston Churchill once predicted that it would be possible to grow chicken breasts and wings more efficiently without having to keep an actual chicken. And in fact scientists have since figured out how to grow tiny nuggets of lab meat and say it will one day be possible to produce steaks in vats, sans any livestock.
Pork chops or burgers cultivated in labs could eliminate contamination problems that regularly generate headlines these days, as well as address environmental concerns that come with industrial livestock farms.
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Under Pressure: Bathers Duck Weak Shower Heads
From The Wall Street Journal:
Water Shortages Spur Restrictions and Low-Flow Designs, but Some People Aren't Willing to Sacrifice, and Skirt the Rules
One way to ruin someone's day is to mess with a good morning shower. That was the hard-learned lesson of past campaigns to conserve water -- and a mistake that could be easy to repeat.
Margy Barrett, a store manager in Dallas, will make some environmental sacrifices. She recycles, and she carts reusable cloth bags to the grocery store. But this month, when she couldn't stand her weak shower head any longer, she replaced it with one that sprays hard enough, she says, to help erode "all the stress involved in today's life."
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Remembering Dr. Paul Zamecnik
He discovered transfer RNA, a crucial molecule in the synthesis of proteins in the cell, and antisense therapy, in which strands of DNA or RNA are used to block the activity of genes.
Most scientists are fortunate if they can make one major discovery in their lifetime. Dr. Paul Zamecnik made two, each of which should have won him a Nobel Prize.
Working with Dr. Mahlon Hoagland, he discovered transfer RNA, a crucial molecule in the synthesis of proteins in the cell. Later, he invented the idea of antisense therapy, in which strands of DNA or RNA are used to block the activity of genes -- a concept that is now being turned into a new class of drugs for cancer, HIV and a host of other diseases.
Zamecnik died of cancer Oct. 27 at his home in Boston. He was 96.
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Seeking Wind Energy, Some Consider The Sea
From The New York Times:
LAST June in a fjord in southwestern Norway, a 213-foot-tall wind turbine did something large wind turbines normally don’t do: it headed out to sea.
Towed by tugboats, the newly built turbine, with three 139-foot rotor blades and a 2.3-megawatt generator atop the tower, which itself was bolted to a ballasted steel cylinder extending more than 300 feet below the waterline, made its way to a spot six miles off the coast. Once in position it was moored with cables to the seafloor, about 700 feet below.
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"Shangri-La" Caves Yield Treasures, Skeletons
From National Geographic:
A treasure trove of Tibetan art and manuscripts uncovered in "sky high" Himalayan caves could be linked to the storybook paradise of Shangri-La, says the team that made the discovery.
Few have been able to explore the mysterious caves, since Upper Mustang is a restricted area of Nepal that was long closed to outsiders. Today only a thousand foreigners a year are allowed into the region.
Read more ....
'Big Bang' Experiment To Re-Start
From BBC:
The Large Hadron Collider (LHC) experiment could be re-started on Saturday morning at the earliest, officials have said.
Engineers are preparing to send a beam of sub-atomic particles all the way round the 27km-long circular tunnel which houses the LHC.
The £6bn machine on the French-Swiss border is designed to shed light on fundamental questions about the cosmos.
The LHC has been shut down for repairs since an accident in September 2008.
Read more ....
Analyst: Timing Of The Apple Tablet Is Irrelevant
From CNET News:
A new report from Digitimes on Thursday says Apple's anticipated tablet will not be released in the first part of 2010 as originally thought, but rather in the second half of the year. One industry analyst said the timing of the release is irrelevant to Wall Street.
According to Digitimes, Apple will delay the release of the long rumored tablet because it has decided to change some of its components. Citing unnamed sources, the report says Apple will launch a model using a 9.7-inch OLED from LG.
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Yawning Is Part Of What Makes Us Human
From The Telegraph:
Far from being bad manners, yawning is a sign of our deep humanity, says Steve Jones.
What may become 2010's Conference of the Year has just been announced. The International Congress of Chasmology will take place in June in Paris, and papers are solicited now. Anyone bored by that statement should read further, for the topic to be discussed is not diving but yawning ('chasmology' deriving from the Greek word for the pastime).
Why do we yawn? Dogs do it, lions do it, even babies in the womb do it - but nobody really knows why. Theories abound. We open wide when we are tired, bored, or hungry. Some have suggested that a sudden drop in blood oxygen, or a surge of carbon dioxide pumped out by a tired body, sparks it off – but no, breathing air rich in that gas, or with extra oxygen, makes no difference.
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Thursday, November 19, 2009
Bigger Not Necessarily Better, When It Comes To Brains
From Science Daily:
Science Daily (Nov. 18, 2009) — Tiny insects could be as intelligent as much bigger animals, despite only having a brain the size of a pinhead, say scientists at Queen Mary, University of London.
"Animals with bigger brains are not necessarily more intelligent," according to Lars Chittka, Professor of Sensory and Behavioural Ecology at Queen Mary's Research Centre for Psychology and University of Cambridge colleague, Jeremy Niven. This begs the important question: what are they for?
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Strange Ancient Crocodiles Swam the Sahara
From Live Science:
From a crocodile sporting a boar-like snout to a peculiar pal with buckteeth for digging up grub, an odd-looking bunch of such reptiles dashed and swam across what is now the Sahara Desert some 100 million years ago when dinosaurs ruled.
That's the picture created by remains of three newly identified species of ancient crocs plus fossils from two species previously named.
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The History Of The Internet In A Nutshell
From Six Revisions:
If you’re reading this article, it’s likely that you spend a fair amount of time online. However, considering how much of an influence the Internet has in our daily lives, how many of us actually know the story of how it got its start?
Here’s a brief history of the Internet, including important dates, people, projects, sites, and other information that should give you at least a partial picture of what this thing we call the Internet really is, and where it came from.
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Movie Popcorn Still A Nutritional Horror, Study Finds
From The L.A. Times:
A medium-sized popcorn and medium soda at the nation's largest movie chain pack the nutritional equivalent of three Quarter Pounders topped with 12 pats of butter, according to a report released today by the advocacy group Center for Science in the Public Interest.
The group's second look at movie theater concessions -- the last was 15 years ago -- found little had changed in a decade and a half, despite theaters' attempts to reformulate.
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Sounds During Sleep Aid Memory, Study Finds
From The New York Times:
Science has never given much credence to claims that you can learn French or Chinese by having the instruction CDs play while you sleep. If any learning happens that way, most scientists say, the language lesson is probably waking the sleeper up, not causing nouns and verbs to seep into a sound-asleep mind.
But a new study about a different kind of audio approach during sleep gives insight into how the sleeping brain works, and might eventually come in handy to people studying a language, cramming for a test or memorizing lines in a play.
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Climatologists Baffled by Global Warming Time-Out
From Spiegel Online:
At least the weather in Copenhagen is likely to be cooperating. The Danish Meteorological Institute predicts that temperatures in December, when the city will host the United Nations Climate Change Conference, will be one degree above the long-term average.
Alcohol 'Protects Men's Hearts'
Drinking alcohol every day cuts the risk of heart disease in men by more than a third, a major study suggests.
The Spanish research involving more than 15,500 men and 26,000 women found large quantities of alcohol could be even more beneficial for men.
Female drinkers did not benefit to the same extent, the study in Heart found.
Experts are critical, warning heavy drinking can increase the risk of other diseases, with alcohol responsible for 1.8 million deaths globally per year.
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Yahoo Adds Photos, Tweets To News Search
Yahoo is adding more context to news searches, bringing photos, videos, and even tweets into its search results page.
Searchers on Yahoo--who are dwindling--will find new results for newsy events Thursday, when Yahoo launches new tabs on the Yahoo News Shortcut. You've long been able to find links to news stories about a given search query through the shortcut, but you can now find other ways of telling the story with the new tabs, said Larry Cornett, vice president of consumer products for Yahoo Search.
Killer Bees: Nasty Sting, Not So Smart
Killer bees may be among the most feared of all insects - but they ain't too smart.
A new study has compared the wits of Africanized killer honey bees with those of a more docile European breed.
Killer bees - which result from a cross between African honey bees and a Brazilian variety in the 1950s - have spread from Central American into the southern United States. Increased intelligence had been suggested as one reason for this expansion.
Apparently not.
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Are The Earth's Oceans Hitting Their Carbon Cap?
From Time Magazine:
Like the vast forests of the world, which continually suck carbon dioxide from the atmosphere and release oxygen, the planet's oceans serve as vital carbon sinks. Last year the oceans absorbed as much as 2.3 billion tons of carbon, or about one-fourth of all manmade carbon emissions. Without the action of the oceans, the CO2 we emit into the atmosphere would have flame-broiled the planet by now.
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Your Brain On Books
From Scientific American:
Neuroscientist Stanislas Dehaene explains his quest to understand how the mind makes sense of written language.
Stanislas Dehaene holds the chair of Experimental Cognitive Psychology at the Collège de France, and he is also the director of the INSERM-CEA Cognitive Neuroimaging Unit at NeuroSpin, France’s most advanced neuroimaging research center. He is best known for his research into the brain basis of numbers, popularized in his book, “The Number Sense.” In his new book, “Reading in the Brain,” he describes his quest to understand an astounding feat that most of us take for granted: translating marks on a page (or a screen) into language. He answered questions recently from Mind Matters editor Gareth Cook.
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Dozen Lesser-Known Chemicals Have Strong Impact on Climate Change
From Science Daily:
Science Daily (Nov. 18, 2009) — A new study indicates that major chemicals most often cited as leading causes of climate change, such as carbon dioxide and methane, are outclassed in their warming potential by compounds receiving less attention.
Purdue University and NASA examined more than a dozen chemicals, most of which are generated by humans, and have developed a blueprint for the underlying molecular machinery of global warming. The results appear in a special edition of the American Chemical Society's Journal of Physical Chemistry A, released Nov. 12.
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Drilling Into Ice To See Into Earth's Past, Future
From Live Science:
Jim White is a professor of Geological Sciences and the Director of the Environmental Studies Program at the University of Colorado at Boulder, and is leading research being conducted on the Greenland ice sheet. White is also the director of The Institute of Arctic and Alpine Research (INSTAAR), which focuses on studying the effects of environmental changes in high altitude and high latitude regions. White's research on the Greenland ice sheet is part of the North Greenland Eemian Ice Drilling (NEEM) project. Fourteen nations are collaborating in the NEEM research, with the common goal of obtaining samples of core ice from the Eemian Period, which was the last interglacial period, about 120,000 years ago. The samples will help researchers interpret the atmospheric environment present during the Eemian period, and relate those interpretations to the present day atmosphere. The ultimate goal of this research is to learn more about how the Earth's climate functions, and what, if anything, can be done to counteract any adverse environmental conditions. The core ice samples will also help researchers identify the causes behind the Earth's increased warming, including those driven by human activity. Below, White answers the ScienceLives 10 Questions.
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