National Public Radio: There’s a plan afoot among evolutionary scientists to launch a big new project — to look back in time and find out how climate change over millions of years affected human evolution. A panel of experts from the National Academy of Sciences in Washington, D.C., has given its blessing to the plan. They say it could unveil a whole new side of human history. Anthropologist Rick Potts, who heads the human origins department at the Smithsonian Museum of Natural History, has been …