A team of life scientists has found part of the answer: The amount and intensity of striping in different zebra populations can be best predicted by temperature.
In a day-long event, renowned scientists will highlight and celebrate the monumental contributions of Wallace, at one time the most famous scientist in the world.
Thomas Smith of the Institute of the Environment and Sustainability says the next great extinction could be upon us, but humans can help threatened species survive.
UCLA professor Tom Smith says human-driven evolution is creating drug-resistant diseases, pesticide-proof bugs and mass extinctions due to climate change. "We can either choose to manage evolutionary processes or not, but evolutionary change will proceed regardless."
Drug-resistant diseases, pesticide-resistant bugs and animals threatened by climate change are signs of human-driven evolution getting out of control. A multi-university team calls for solutions.
Phony laughter, unlike the real thing, is unique to humans, says Greg Bryant, who is studying the acoustic properties that differentiate the two types of cachinnation.
For Old World primates, the variety and complexity of their facial colors and patterns play a major role in helping them identify members of their own species and communicate with one another.