Humans & Society

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germline editing

ROOTS  Scientists are mulling the ethical implications human germline editing — tinkering with reproductive cells and embryonic tissues like this zygote — while pushing technical boundaries that could make genetically engineered people possible. 

supermassive black hole

SUPERMASSIVE IDEA  Black holes, such as the supermassive one illustrated here, have transformed astronomers’ understanding of the cosmos in recent decades.

Bath salts

DRUGS BY DESIGN Bath salts (above) are packaged as a product one might use in the tub. They’ve been linked to deaths.

Humans & Society

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