News
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AstronomyIce in space might flow like honey and bubble like champagne
Zapping simulated space ice with imitation starlight makes the ice act more like a liquid than a solid, meaning similar ices in space might be good places for organic chemistry.
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GeneticsAncient boy’s DNA pushes back date of earliest humans
Genes from South African fossils suggest humans emerged close to 300,000 years ago.
By Bruce Bower -
GeneticsA mutation may explain the sudden rise in birth defects from Zika
A mutation in a protein that helps Zika exit cells may play a big role in microcephaly.
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ClimateTropical forests have flipped from sponges to sources of carbon dioxide
Analyses of satellite images suggest that degraded forests now release more carbon than they store.