From DNA samples taken from intact frozen baby lions after 12,000 years, international scientists are hoping to revive cave lions that once wandered on Earth in the Ice Age.
An international team of scientists plans to revive the extinct ancient bison more than 11,700 years ago based on DNA taken from the remaining tail bone.
Today July 5 is the 20th anniversary of Dolly's sheep, the first mammal cloned in the world (July 5, 1996 - July 5, 2016). Dolly was created by Ian Wilmut and colleagues at the