The apes' calls seem to resemble sounds like laughter and crying rather than elements of a true language Michael Wilson,…
Hard times can snuff out some species. But with sufficient genetic diversity, a population can evolve with remarkable speed -…
Researchers consider food choice, hunting range and other factors to find out what caused the disappearance of a diminutive human…
Out of the closet: Intriguing research suggests that sleep has a long evolutionary history P. Rajendran Sometimes great ideas come…
A researcher finds out what makes an electric eel leap out of the water and deliver repeated shocks to his…