Republicans get serious about climate change

In a recent survey of Republicans and Republican-leaning Independents conducted by the Center for Climate Change Communication (4C) at George Mason University, a majority of respondents (62 percent) said they feel America should take steps to address climate change.

Team finds mechanism for origin of life

It's a chicken-and-egg problem that's concerned biologists for decades: how did the basic biochemicals of life appear before the biological catalysts needed to form them had come into existence?