On a small island in the South Pacific Ocean, a rare species once declared extinct in the wild has been rediscovered. Partula ...
De-extinction starts with DNA samples from the lost species. Sometimes this is the complete genome; other times, they may splice genes from the extinct species into the genome of a living animal. Then ...
In the case of mammals, the best-studied group of animals, the fossil record indicates that the “background” rate of extinction, the one that prevailed before humans entered the picture ...