Dolly (July 5, 1996 – February 14, 2003), a ewe, was the first mammal to be cloned from an adult somatic cell. The cell used was a mammary cell, which is why she was named Dolly, after the curvaceous country western singer Dolly Parton. She...

A tsunami is a series of waves generated when a body of water is rapidly displaced on a massive scale. The deadliest tsunami in recorded history, the Indian Ocean tsunami on Sunday, 26th December 2004, killed about 300,000 people. It was tr...

The Fukushima Daiichi nuclear disaster was a catastrophic failure at the Fukushima I Nuclear Power Plant on 11 March 2011, resulting in a meltdown of four of the plant's six nuclear reactors. The failure occurred when the plant was hit by t...