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Origin of Life: Can Peptides Form Naturally in Water?

Scientists find a way to synthesize polypeptides in the presence of water, but does it support naturalistic origin of life?

Crossing Guard Found in Mitochondrial Membranes

This is no ordinary crossing guard. It also acts as a bouncer or cop when bad proteins try to clog up the channel.

Claim of New Antifreeze Gene by Natural Selection Melts Under Analysis

A biochemist examines imaginative claims about natural selection creating a new gene.
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