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237-million-year-old fossils reveal a bizarre armored sea amphibian
科学与环境

237-million-year-old fossils reveal a bizarre armored sea amphibian

A bizarre, heavily armored amphibian roamed the oceans 237 million years ago, despite the fact that modern amphibians cannot survive entirely in saltwater. Discovered in China, the giant salamander-sized creature may be the first known amphibian to have adapted to a fully marine

All Top News -- ScienceDaily ·

The Nvidia Affair
国际新闻

The Nvidia Affair

An illicit relationship between the C.E.O. and an alleged Chinese spy is putting the spotlight on a murky ecosystem of companies smuggling A.I. chips into China.

NYT > World News ·