杏吧原创

A dusting down

Shelves and window sills seem to collect dust evenly, but dust on floors seems to collect in clumps. Why is there a difference?

Alison Denham, Accrington, Lancashire, 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

Can consciousness be quantum? We may now have an answer

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

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

How humans evolved to be twice as big as our ancestors

Four children with terminal brain cancer saved by new cell therapy

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

Stealth drone spins so fast that it disappears

Best treatment for multiple sclerosis may be antivirals

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