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Mark Changizi: Why human eyes see in color
A scientist says that the human eye evolved to see in color in part to scope out what another person feels by detecting subtle color changes in their skin.
December 29, 2011
Two GRAIL spacecraft on final approach to moon
The GRAIL spacecraft will use the moon's own gravity to study the lunar interior. They'll enter orbit New Year's Eve and New Year's Day.
December 28, 2011
Facebook studied to see how friendships form
Researchers found that tastes in books don't seem to influence Facebook friendship formation in the same way that tastes in music and movies do.
December 27, 2011
Smallest frogs to date found in New Guinea
A zoologist has found the smallest frogs known to exist in the world, just a third of an inch in length, in the rainforests of southeastern New Guinea.
December 27, 2011
Biofuel from Christmas paper and cards
Don't stop recycling just yet, but if the technology were more developed, your Christmas waste could become biofuel to power motor vehicles.
December 27, 2011
Wolves back in Yellowstone benefit the ecosystem, scientists say
Gray wolves returned to Yellowstone 15 years ago. Amid controversy, scientists say these top predators are keeping elk at bay and helping ecosystems flourish.
December 27, 2011
Comet Lovejoy survives encounter with sun
As it swept near the sun in early December 2011, Comet Lovejoy defied expectations and survived its close pass of the sun to become a Christmas comet.
December 25, 2011
White Christmas in 2011?
White Christmas in 2011? Those in the southwestern United States and higher elevations such as mountain ranges probably have the best chances in 2011.
December 24, 2011
Lux Aurumque by Eric Whitacre’s virtual choir
This video brings individual voices from around the globe together in a cyber internet choir to sing the hauntingly beautiful Lux Aurumque.
December 24, 2011
New biofuel inspired by fir trees
A new type of renewable biofuel was created by scientists from the Joint BioEnergy Institute based on fragrant terpenes found in fir trees.
December 24, 2011
