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Life

This biochemist brews a wild beer

Wild beer studies are teaching scientists and brewers about the tropical fruit smell and sour taste of success.

Environment

The list of diseases linked to air pollution is growing

Air pollution levels have come down since the 1970s, but smog is being linked with a growing list of diseases, including dementia, obesity, diabetes and even Parkinson’s.

Microbes

Now we know how much glacial melting ‘watermelon snow’ can cause

Algae that give snow a red tint are making glacial snow in Alaska melt faster.

Animals

3-D scans of fossils suggest new fish family tree

Analysis of specimens from China implies ray-finned fishes evolved later than previously thought.