资讯

Mammoths (Mammuthus) are prehistoric beasts that roamed tundra ecosystems during the last ice age (2.6 million to 11,700 years ago), but their evolutionary history goes back farther than that.
Known as the Younger Dryas, this partial return to ice-age conditions may have stressed ... species boundaries and wiped out all the big beasts. "[MacPhee's hyphothesis] doesn't even have ...
A team of experts worked together to re-create a world that existed a long time ago and that nobody has ever seen. Robin Bicknell, Director The Nature of Things documentary, Ice Bridge tells the ...