Incoming! Or, Why We Should Stop Worrying and Learn to Love the Meteorite

Everyone knows that a giant meteor strike may have wiped out the dinosaurs, but new evidence suggests that some meteorites may actually have been beneficial for life on Earth. Geophysicist and author of 'Incoming!', Dr Ted Nield, explains why we may have cause to thank these visitors from the skies. The talk is part of the Royal Observatory's Impact season of events.