Lies and liars: Can you catch them?

Lies and liars: Can you catch them?
Is Pistorius lying? Liars challenge our law, economy and society. If you want to catch a liar, you might as well flip a coin. Why are liars so hard to catch? Is there anything on the horizon to make lying more difficult? More »

Fundamental facial expressions: are there really 21?

Fundamental facial expressions: are there really 21?
How about sadly disgusted? Fearfully angry or fearfully surprised? We’re happily surprised to see that these categories seem burned into the human psyche. When volunteers are asked to make a “disgustedly surprised” face, they all look pretty much alike. How come? More »

Ancient filter-feeder was a “gentle giant”

Ancient filter-feeder was a "gentle giant"
Just 22 million years after the “Cambrian explosion,” a top predator had already evolved into a filter-feeder, able to sweep up food with sieves built into its front appendages. So what’s this got to do with the whale shark? More »

College admission conundrum?

College admission conundrum?
Critics carp about college entrance exams and point to data showing that high-school grades better predict success. How do the “non-submitters” actually do at colleges that have quit requiring the tests? More »

Whale “sonar” an ancient invention!

Whale "sonar" an ancient invention!
A whale fossil from 28 million years ago shows compelling evidence for echolocation — the ability to “see” objects by listening for the echoes of your own noise. The discovery traces deep roots for a talent that helps animals live in dark and murky conditions. More »

Bats on the wing

Bats on the wing
Bat wings are built like a mammal’s arm—and so their flight is fiendishly complex. Scientists have decoded the fluid dynamics of the flight of a fruit bat—and this airborne mammal has some nifty tricks for staying aloft! More »

The benefits of watching

The benefits of watching
A fascinating study taps “mirror neurons” to improve hand strength and dexterity. If I watch a movie of somebody cutting with scissors, and then use scissors myself, my brain will change — and my hand will be stronger. No kidding! More »

Menace to monarchs

Menace to monarchs
20 years ago, up to 1 billion monarch butterflies wintered in Mexico’s mountains. This January, a few tens of millions are roosting there after their long migration across North America. What menaces the marvelous monarch migration? More »

To heal hearing, try temporary blindness?

To heal hearing, try temporary blindness?
Think hearing and sight were separate? Think again. After seven days in darkness, mice detected quieter sounds, and recognized subtle changes in pitch. What does this suggest about new ways to support failing hearing? More »

Brewing biofuel

Brewing biofuel
The struggle to make fuel from wastes from farm, factory and forest continues. What’s keeping cellulosic biofuel out of the market? Will biofuel from algae beat cellulose to the gas pump? More »

Menacing mating game: Frogs fear bats!

Menacing mating game: Frogs fear bats!
Mating displays attract females — and predators. A Panama bat listens for the túngara frog. If it “sees” ripples the frog makes on the pond, it swoops in for lunch! More »

Freeloading: Secret of bird flight

Freeloading: Secret of bird flight
By carefully measuring the position of trailing birds, scientists detect a strong preference for the exact spot where their wings are lifted by the whirling air left by the bird in front. More »

Winter woes? No problem! say plants

Winter woes? No problem! say plants
Plants have evolved numerous ways to endure cold, wind and ice formation. How do they do it? How is climate change affecting plants and plant communities? More »

Does concussion accelerate Alzheimer’s?

Does concussion accelerate Alzheimer's?
As scientists search for the effects of brain injury, a long-term study looks at signs of Alzheimer’s, cognitive ability and past concussion. Links exist, but they are murky. More »

China visits moon!

China visits moon!
As scientists find new surprises in Apollo’s 40-year-old rock collection, gravity studies by an over-achieving satellite duo provide a fascinating X-ray vision as big as the moon itself. More »