You Are What You Eat: Some Differences Between Humans And Chimpanzees Traced To Diet:
Using mice as models, researchers at the Max Planck Institute for Evolutionary Anthropology traced some of the differences between humans and chimpanzees to differences in our diet.
Migrating Birds Detect Latitude And Longitude, But How Remains A Mystery:
Eurasian reed warblers captured during their spring migrations and released after being flown 1,000 kilometers to the east can correct their travel routes and head for their original destinations, researchers report.
Conspicuous Social Signaling Drives Evolution Of Chameleon Color Change:
What drove the evolution of color change in chameleons? Chameleons can use color change to camouflage and to signal to other chameleons, but a new paper shows that the need to rapidly signal to other chameleons, and not the need to camouflage from predators, has driven the evolution of this characteristic trait.
Why Scratching Relieves An Itch:
In the first study to use imaging technology to see what goes on in the brain when we scratch, researchers at Wake Forest University Baptist Medical Center have uncovered new clues about why scratching may be so relieving -- and why it can be hard to stop.
Destined To Cheat? New Research Finds Free Will Can Keep Us Honest:
With the start of the New Year millions of Americans have resolved to lie less, cheat less, put the holiday hangovers behind them, or otherwise better their lives. Some will moderate their bad habits; others may make significant changes and become shining examples of integrity. But most of those well-intended New Year's resolutions are destined to fail. In an age where cheating scandals plague elite universities and major corporations are brought down by unethical actions, the debate about the origins and nature of our decisions play into a larger debate about genetic determinism and free will.
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