and that he has heard from parents and teachers who are fielding questions about how the mice were made and when the woolly ...

Most mammoth populations had died out by around 10,000 years ago although a small population of 500-1000 woolly mammoths lived on Wrangel Island in the Arctic until as recently as 1650 BC.

Once a species winks out, it survives only in memory and the fossil record. When it comes to the woolly mammoth, however, that rule has now been bent. It’s been 4,000 years since the eight-ton ...