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Biology

Sloths’ sluggish secrets, glowing parasites and elusive dark matter

Posted July 22, 2016 by Anonymous

If time feels like it’s dragging its feet on a Friday afternoon, spare a thought for the sloth – its entire life is in slow motion. Learn more about these tree-dwellers, and a whole lot more, in Cosmos art director Robyn Adderly’s images of the week.

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Biology

The five most addictive substances on Earth – and what they do to your brain

Posted July 21, 2016 by Anonymous

What are the most addictive drugs? This question seems simple, but the answer depends on whom you ask.

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Biology

How do plants protect themselves against sunburn?

Posted July 21, 2016 by Anonymous

A pair of proteins trigger protective systems when a plant’s blasted with UV radiation. Belinda Smith reports.

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Biology

Why jetlag is worse flying east

Posted July 20, 2016 by Anonymous

Mathematical modelling of circadian cells suggests travellers’ instincts might be right.

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Biology

Baby fish live in a jellyfish bodyguard

Posted July 20, 2016 by Anonymous

Need a marine minder? You could do worse than a stinging jellyfish.

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Biology

Humans can see a single photon at a time

Posted July 19, 2016 by Anonymous

How good are your eyes? A new study shows healthy subjects are capable of detecting as little light as one photon, but only in special conditions. Belinda Smith reports.

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Biology

Health Check: which fruits are healthier, and in what form?

Posted July 19, 2016 by Anonymous

Most of us know eating fruit daily is a great way to try to stay healthy but when is the best stage to eat fruits?

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