Science NOW: Scientists know that climate change is putting species around the globe in peril, but just how much peril? After all, when evolution failed to keep pace with a major climatic event 65 million years ago, half the planet's species went extinct and dinosaurs were reduced to jittery feathered creatures that get bullied by squirrels on bird-feeders. A new study suggests that our current era of climate change won't just exceed the rate of evolution, but will do so by a factor of thousands. Although the...