November 2011 Archives
30 November 2011
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ScienceNOW(Science - AAAS)
Ancient Tools Point to Early Human Migration Into Arabia
Find suggests that humans may have pushed eastward out of Africa tens of thousands of years earlier than believed
30 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: Urban Bird Behavior May Divide a Species
Shorter migrations could explain genetic rift with country counterparts
30 November 2011
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ScienceNOW(Science - AAAS)
Baby Seals Need the Nicest Ice
Warming Arctic may limit prime whelping grounds for harp seals
30 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: Short Chromosomes Linked to Fatigue in Elderly
Abridged telomeres track with decline in fitness
30 November 2011
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ScienceNOW(Science - AAAS)
E-mail Reveals Your Closest Friends
Researchers find simple way to calculate strength of social networks
30 November 2011
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ScienceNOW(Science - AAAS)
Live Chat: Mysteries of the Cell
Experts answer your questions about the science of biological building blocks
29 November 2011
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ScienceNOW(Science - AAAS)
Walk-Through-Wall Effect Might Be Possible With Humanmade Object, Physicists Predict
Others say that a demonstration of "quantum tunneling" with a micrometer-sized widget will be very difficult at best
29 November 2011
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ScienceNOW(Science - AAAS)
How Sharks Go Fast
Fearsome fish stiffen their tails midswing to create extra jets of water
29 November 2011
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ScienceNOW(Science - AAAS)
New Data Fuel Dogfight Over the Origins of Man's Best Friend
Y chromosome points to southern East Asia for first dogs, one group claims
29 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: She Just Lights Up
The gentle tug of another galaxy set stars twinkling in nearby Andromeda
28 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: More Than a Pretty Face?
New algorithm measures how much photos of models have been digitally altered
28 November 2011
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ScienceNOW(Science - AAAS)
Baffling Failure of Vaginal Gel Laced With Anti-HIV Drug
A large study in three sub-Saharan African countries has prematurely stopped testing a vaginal gel that contains the anti-HIV drug tenofovir because it's not working
28 November 2011
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ScienceNOW(Science - AAAS)
Ladybugs Changed Color in Response to Climate Change
Bugs' switch from heat-absorbing black to cooler red coincides with warming temperatures
28 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: Whirlybirds
Pigeons fly like helicopters, new study says
24 November 2011
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ScienceNOW(Science - AAAS)
Transplanted Neurons Curb Obesity
Fetal cells rewire a brain circuit, ramp up metabolism in mice
24 November 2011
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ScienceNOW(Science - AAAS)
When Humans First Plied the Deep Blue Sea
Ancient fish bones and hooks from East Timor suggest that people were fishing in the deep sea by 42,000 years ago
24 November 2011
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ScienceNOW(Science - AAAS)
Baby Bumps Slow Dolphins Down
Pregnant cetaceans swim less efficiently, making them more vulnerable to predators
23 November 2011
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ScienceNOW(Science - AAAS)
Native American Blankets Made With Dog Hair
Coast Salish people wove fur of an unusual canine into their textiles
23 November 2011
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ScienceNOW(Science - AAAS)
Video: A Robot Jellyfish, New and Improved
Engineers craft a speedier robot with a design based on a moon jellyfish
23 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: Virgin Lizards Get Picky
Females sniff out diverse genes in potential mates
23 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: How to Make a Tank Disappear
Nanotubes camouflage three-dimensional objects
23 November 2011
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ScienceNOW(Science - AAAS)
Cold Comfort: Frigid Months Will Still Come in a Warming World
Despite climate change, researchers predict we'll still see record-setting lows
22 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: The World's First 'Invisible' Couple
Cichlid fish form pair bonds that are impossible to spot with the human eye
22 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: Toxic Spider Webs Keep Ants at Bay
Chemical compound helps arachnids protect their catches
22 November 2011
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ScienceNOW(Science - AAAS)
Building a Breakable Capsule
New polymer may help release drugs at their targets
22 November 2011
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ScienceNOW(Science - AAAS)
Cosmic Antimatter Excess Confirmed
But interpretation as sign of dark matter still in doubt
22 November 2011
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ScienceNOW(Science - AAAS)
The Physics of Wine Swirling
Researchers illustrate the factors that make waves in a wine glass
22 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: How Ink Flows
Calculations reveal competing forces of pen on paper
21 November 2011
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ScienceNOW(Science - AAAS)
Dissecting the Cave Lion Diet
Advanced techniques reveal what the extinct animals ate, and why they may have disappeared
21 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: Horse Variety Predates Domestication
More than 70% of today's horse lineages existed before humans started breeding them
21 November 2011
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ScienceNOW(Science - AAAS)
Crooked Teeth? Blame Early Farmers
Transition away from hunter-gatherer lifestyle may have changed the shape of the human jaw
18 November 2011
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ScienceNOW(Science - AAAS)
Podcast: Tractor Beams, Leonardo’s Trees, and More
Listen to a roundup of some of our favorite stories from this week
18 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: Amoeba-Sized Insect Is Missing Some Pieces
Most fairy wasp neurons lack a nucleus
17 November 2011
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ScienceNOW(Science - AAAS)
Eruptions Swept Life From Land and Sea
Volcanic activity at the end of the Permian period struck a devastating blow to life
17 November 2011
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ScienceNOW(Science - AAAS)
Earth's 'Time Capsules' May Be Flawed
Minerals found within ancient crystals may have been chemically altered
17 November 2011
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ScienceNOW(Science - AAAS)
Particle Smasher Hints at Physics Breakthrough
Result might help explain why the universe is full of matter, not antimatter
17 November 2011
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ScienceNOW(Science - AAAS)
Overactive Neurons May Tangle the Senses
Study may explain why some people see numbers as colors, hear songs as tastes
16 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: Avoid the Blinking Light
A firefly's flashes attract predators—until they learn their lesson
16 November 2011
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ScienceNOW(Science - AAAS)
How Worms Avoid Food Poisoning
Some strains of C. elegans are better than others at recognizing which bacteria will make them sick
16 November 2011
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ScienceNOW(Science - AAAS)
ScienceShot: Icy Europa Looking More Inviting
Jupiter moon may harbor giant under-ice "lakes" that could sustain life
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