A third of the Earth`s organisms live in our planet`s rocks and sediments - and the amount could even be greater undersea than what we find on the surface, scientists say.
Indian origin biologist has said that cockroaches are essential to the survival of our planet`s delicate ecosystem.
Dinosaurs roamed the Earth almost nine million years earlier than previously thought.
Day in Pics: 26th November
Showbiz World - November 26, 2014