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.

Exercise curbs insulin production in fruit flies

Insulin is an essential hormone for humans and many other living creatures. Its best-known task is to regulate sugar metabolism. How it does this job is well understood. Much less is known about how the activity of insulin-producing ...

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