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Genes & Cells

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GENETIC HEIRLOOMS People from Papua New Guinea (shown) and Australia carry small amounts of DNA from extinct human relatives. New research suggests that the DNA may not come from Neandertals or Denisovans, but from a third, previously unknown extinct hominid.

interferon in B cells

GOING VIRAL When scientists stopped virus-infected mice from making type 1 interferon proteins, the mice had 20 times more virus-fighting B cells (right) than mice making the proteins (left).

global biodiversity map

A DIFFERENT WAY TO MAP BIODIVERSITY  Maps of genetic diversity within mammal and amphibian species provide a baseline for understanding the effects of human activity and climate change on animals. 

Genes & Cells

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