Who killed the dinosaurs?

Sankar Chatterjee -- an Indian origin professor at the Texas Tech University has propounded a theory recently, to explain the extinction of dinosaurs from earth almost 65 million years ago. Chatterjee’s hypothesis is that a crater -- that he has named Shiva -- resulted in widespread destruction and mass extinction, thereby speeding up the departure of the dinosaurs from the planet. His theory is still being discussed and evaluated. But, it has once again brought into focus the tantalising mystery of the disappearance of the dinosaurs.

Click here to read about the dinosaur whodunit.