Two species of large ancient lampreys found in China

A trio of paleontologists, two with the Chinese Academy of Sciences and the third with Muséum national d'Histoire naturelle, UMR, has found the fossilized remains of two large lamprey species from the Jurassic in northeast ...

Hitting reset to start a new embryo

New work by scientists in the U.S. and China shows how a fertilized egg cell, or zygote, hits "reset" so that the newly formed embryo can develop according to its own genetic program. The study was published July 17 in Nature.

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