Genes & Cells

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skin bacteria illustration

ACNE ACCELERATOR  Vitamin B12 can lead normal skin bacteria called Propionibacterium acnes (shown in artist’s rendition) to pump out pimple-producing chemicals.

poachers stand over the body of an elephant

ILLEGAL IVORY  Poachers stand over the body of an elephant killed for its tusks. With a genetic analysis of seized ivory, researchers have pinpointed two major poaching hot spots in Africa.

Kennewick Man’s skeleton

NATIVE GUY  DNA from 8,500-year-old Kennewick Man’s skeleton indicates that he shared ancestry with modern Native Americans and perhaps was closely related to Northwest tribes that want to rebury his bones.

Genes & Cells

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