Hot tubs and swimming pools are not as clean as you may think

Whether water is hot in a tub or cold in a pool, it can bring immediate relief from stress or summer heat. But hot tubs and swimming pools are not always as clean as you might think, even when disinfected. In a new study ...

What guitarfish and aircraft wings have in common

Recent research by a team led by Jonathan Cox and Zhijin Wang shows how water flows through the nose of a guitarfish, a type of ray. The team discovered that vortex-like structures in their noses help the guitarfish to swim ...

Amping antimicrobial discovery with automation

The antimicrobial arsenal that we count on to save millions of lives each year is alarmingly thin—and these microbes are rapidly evolving resistance to our weapons. But help may be on the way: In a study posted in the AMB ...

Sauropod swimmers or walkers?

An international team of scientists, led by the China University of Geosciences in Beijing and including palaeontologists from the University of Bristol, has shed new light on some unusual dinosaur tracks from northern China. ...

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