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.

Sculpting the human body plan in a dish

Although Michelangelo's masterpiece "David" captured the magnificence of the human body—how exactly this exquisite body plan is established during human development has puzzled scientists for more than a century. This has ...

DNA sequence enhances our understanding of the origins of jaws

The vast majority of vertebrate species living today, including humans, belong to the jawed vertebrate group. The development of articulating jaws during vertebrate evolution was one of the most significant evolutionary transitions ...

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