Understanding coronavirus variants

With the emergence of new SARS-CoV-2 variants such as beta and delta, people are not only getting a refresher course on the Greek alphabet, but also experiencing confusion and anxiety about what the variants mean for public ...

Animals should use short, fast movements to avoid being located

Most animals need to move, whether this is to seek out food, shelter or a mate. New research has shown that movement doesn't always break camouflage and if an animal needs to move, animals that are unpatterned and use short, ...

Dragonflies can see by switching 'on' and 'off'

(Phys.org) —Researchers at the University of Adelaide have discovered a novel and complex visual circuit in a dragonfly's brain that could one day help to improve vision systems for robots.

Smithsonian dedicates new exhibition to navigation

Smithsonian curators found themselves chasing the proverbial moving target when they put together a new permanent exhibition opening Friday that explains how people get from A to B.

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