杏吧原创

Wipe-clean surface

What gives chestnut mushrooms their brown colour? The colour can be wiped away, leaving what looks like a standard white mushroom.

Barry Strong, Manchester, UK

Topics: Last Word

More from New 杏吧原创

Explore the latest news, articles and features

Popular articles

Trending New 杏吧原创 articles

We鈥檙e finally learning what happens to gifted children in adulthood

Game that reduces dementia risk may clear amyloid from men’s brains

Can everyone live a 鈥榞ood life鈥� without destroying the planet?

Four children with terminal brain cancer saved by new cell therapy

Alzheimer鈥檚, stroke, depression: The preventative power of sauna

Can consciousness be quantum? We may now have an answer

Shifts in the jet stream are behind Europe’s long heatwaves

The US-China AI arms race has taken an unexpected turn

Best treatment for multiple sclerosis may be antivirals

How humans evolved to be twice as big as our ancestors