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The ultraclean icicle and the droplet, after melting.

World’s cleanest drop of water reveals why nothing is ever truly clean

23 August 2018

A thin film of molecular dirt coats everything the air touches. But until now, nobody knew what it was, or where it came from
Snapped spaghetti

We have finally figured out how to snap spaghetti into two pieces

14 August 2018

Snap a piece of dry spaghetti and you will always end up with three or more pieces - but now mathematicians have figured out how to get a single clean break

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