Where did the first sugars come from?

Two prominent origin-of-life chemists have published a new hypothesis for how the first sugars—which were necessary for life to evolve—arose on the early Earth.

Scientists map key protein structure of hepatitis C virus

A team led by scientists at Scripps Research and the University of Amsterdam has achieved an important goal in virology: mapping, at high resolution, critical proteins that stud the surface of the hepatitis C virus (HCV) ...

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