Climate change is causing Earth's animals to shrink

Earth's species are shrinking. As temperatures rise, plants and animals the world over are adapting, some more quickly than others, by becoming smaller — a trend that scientists say could have serious implications for ecological diversity the world over. » 10/18/11 11:09am 10/18/11 11:09am

Species Diversity Not Caused By Environment

Accepted scientific wisdom holds that new species arise because of geographic separation - the same bird evolves differently on two different islands. But a new study overturns this idea, challenging the importance of environment as a driver of evolution. » 7/17/09 2:31pm 7/17/09 2:31pm