Last Updated: Thursday, December 12, 2013, 09:34
Air flows through lizard lungs in one direction, a finding that may prompt a rethink about how some species evolved following Earth`s biggest mass extinction, a study said on Wednesday.
Last Updated: Thursday, August 15, 2013, 12:36
A new study suggests that giant plant-eating dinosaurs had stiffer necks than the creatures portrayed in films and on TV.
more videos >>