Earth's time bombs may have killed the dinosaurs - environment - 27 July 2011 - New Scientist

Earth's time bombs may have killed the dinosaurs - environment - 27 July 2011 - New Scientist

THE fate of the dinosaurs may have been sealed half a billion years before life even appeared, by two geological time bombs that still lurk near our planet's core.

Interesting article from New Scientist. Click the link to read.