Why do people choke when the stakes are high?
• http://medicalxpress.com, by Marcus WooIn sports, on a game show, or just on the job, what causes people to choke when the stakes are high?
Contents Pages by Subject
Biology, Botany and Zoology
Did a Copying Mistake Build Man's Brain?
• http://www.livescience.com, Jennifer WelshA copying error appears to be responsible for critical features of the human brain that distinguish us from our closest primate kin, new research finds.
Backyard Biodiversity May Stem Allergies
• http://www.livescience.com, Wynne ParryA decline in the variety of life — including the plants and animals that live around us, as well as the microbes on our bodies — may play a role in the rapid rise in allergies and asthma, indicates new research.
Beamed-up lemon shark shows research promise
• http://phys.org, by Nancy OwanoNot everyone is game enough to fit a laser beam on to a shark’s head and live to tell the tale intact, but not everyone is a marine biologist, either.
Albertonectes Was an Extreme Elasmosaur
• http://www.wired.com, By Brian SwitekGiraffes, with their beautifully elongated necks, have only seven cervical vertebrae.
9-Month-Olds Show Racial Bias When Looking at Faces
• http://www.livescience.com, Wynne ParryAdults have more difficulty recognizing faces that belong to people of another race, and this deficit appears to start early.
Cypress Trees Saw Rupturing of Earth's Supercontinents
• http://www.livescience.com, Wynne ParryEarly members of an ancient family of trees, the cypresses, grew on the supercontinent Pangaea, and when this giant continent split apart, it shaped the future of these trees, according to research that examined the evolution of these trees, which to
The largest known true crocodile identified
• http://phys.org, by University of IowaA crocodile large enough to swallow humans once lived in East Africa, according to a University of Iowa researcher.
What Part of Our Brain Makes Us Human?
• http://www.popsci.com, By Brian ChristianIn his book The Most Human Human, Brian Christian looks at the artificial intelligences we've built, and what they say about us
Escape response of small fish tested using a supercomputer
• http://phys.org, By Simone UlmerSmall fish bend themselves into a 'C' shape before they flee from predators. Observations have suggested that this shape helps them to abruptly put the greatest distance possible between themselves and their predators.
Eye size determined by maximum running speed in mammals
• http://phys.org, University of Texas at AustinMaximum running speed is the most important variable influencing mammalian eye size other than body size, according to new research from The University of Texas at Austin.
Desperate fishwives
• http://phys.org, Norwegian University of Science aBreeding is on their minds as the mating season draws to an end. Guys drop dead by the hour, making goby girls go all out in their hunt for a mate to father their offspring
Barrow researchers unravel illusion
• http://www.bio-medicine.org, Lynne ReavesPhoenix, AZ, April 30, 2012) Barrow Neurological Institute researchers Jorge Otero-Millan, Stephen Macknik, and Susana Martinez-Conde share the recent cover of the Journal of Neuroscience in a compelling study into why illusions trick our brains.
Slacker or Go-Getter? Brain Chemical May Tell
• http://www.livescience.com, Jennifer WelshWhat gives you the motivation to go the extra mile for a promotion or a perfect test score? It may be your levels of a brain chemical called dopamine.
Why the Urge to Pee Ruins Sleep for Some
• http://www.livescience.com, Joseph CastroFor most people, sleep is undisturbed by the need to pee, because our bladders seem to hold more urine over night. But just how this happens, and why some people are unable to do this, has remained a mystery until now.
Dolphins Help Fishermen Catch Fish
• http://www.livescience.com, Jennifer WelshA visitor might stumble upon a strange sight in Laguna, Brazil, if they went down to the shore. Here, the local fishermen rely on dolphins to help them with their yearly fish catch.
New GM Crops Could Make Superweeds Even Stronger
• http://www.wired.com, By Brandon KeimHerbicide-resistant superweeds threaten to overgrow U.S. fields, so agriculture companies have genetically engineered a new generation of plants to withstand heavy doses of multiple, extra-toxic weed-killing chemicals.
After Decades of Mystery, Has the G-Spot Been Found?
• http://www.popsci.com, By Jennifer AbbasiA surgeon claims to have found the fabled organ, but skeptics say not so fast
Humans Really Are Still Evolving, Study Finds
• http://www.livescience.com, Charles ChoiNatural forces of evolution still continue to shape humanity despite the power we have to profoundly alter the world around us, researchers say.
Strange Organism Has Unique Roots in the Tree of Life
• http://www.livescience.com, Jennifer WelshTalk about extended family: A single-celled organism in Norway has been called "mankind's furthest relative."
How Do Tigers Get Their Stripes? Science Not So Certain Now
• http://www.livescience.com, LiveScience StaffA decades-old explanation for how tigers get their stripes has come into question as researchers challenge what’s called the morphogen theory. The research does not nix the theory, but science may now have a hypothetical tiger by the tail as they try
Mexico: 2,000 pound great white shark caught in Baja California's Sea of Cortez
• http://www.globalpost.com, Tim FitzsimonsThe leviathan was nearly 20 feet long.
Pacific reef sharks have declined by more than 90 percent, new study says
• http://www.washingtonpost.com, By Juliet EilperinPacific reef shark populations have plummeted by 90 percent or more over the past several decades, according a new study by a team of American and Canadian researchers, and much of this decline stems from human fishing pressure.
New study unravels pigeons' GPS, bird's magnetic sense
• http://www.alaskadispatch.com, Eoin O'CarrollThe next time someone calls you bird-brained, you should assume that you are being complimented on your sense of direction.
Pacific Reef Sharks Vanishing Near Populated Islands
• http://www.livescience.com, Stephanie PappasAs many as 90 percent of reef sharks have disappeared from reefs near populated islands, a new study finds.
Turtle egg theft raises alarms
• http://lapress.orgHeavily armed group swipes eggs of endangered species, just before hatching.
BP Spill Causing 'Alarming' Marine-Life Deformities in Gulf
• http://www.commondreams.org, Common Dreams staffEyeless shrimp and other mutations due to BP chemicals
'Dinosaur eggs' discovered in Chechnya (PHOTOS)
• http://rt.comFossilized “dinosaur eggs” have been excavated in southern Russia's Republic of Chechnya.
Human Eggs Grown in the Lab Could Produce Unlimited Supply of Humans
• http://www.popsci.com, By Rebecca BoyleThe first human eggs grown from human stem cells could be fertilized with human sperm cells later this year, potentially revolutionizing fertility treatment for women.
Search for Life Guides NASA's New Mars Mission Plan
• http://www.space.com, by Mike WallNASA's new Mars exploration strategy will be shaped by an old goal: searching for signs of past or present life on the Red Planet.
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