Northern Red Sea coral reefs may survive a hot, grim future

As the outlook for coral reefs across a warming planet grows grimmer, scientists in Israel have discovered a rare glimmer of hope: The corals of the northern Red Sea may survive, and even thrive, into the next century.

Hot great white sharks could motor but prefer to swim slow

Yuuki Watanabe has always been fascinated by speed and power. As a child, he recalls being transfixed by the raw strength of great white sharks (Carcharadon carcharias). 'They look cool' says Watanabe, from the National Institute ...

When does noise become a message?

Background noise is generally regarded as a nuisance that can mask important sounds. But noise can be beneficial too. It can convey information about important environmental conditions and allow animals to make informed decisions. ...

Dung beetles navigate better under a full moon

Of all nocturnal animals, only dung beetles can hold their course using polarized moonlight. Researchers at Lund University in Sweden have now shown that beetles can use polarized light when its signal strength is weak, which ...

Male killer whales hunt more than females

It's hard to tell just how imperilled killer whales are. With several different forms—some of which may even be different species—it's unclear which are at serious risk and which are less vulnerable. But one group is ...

Having stressed out ancestors improves immune response to stress

Having ancestors who were frequently exposed to stressors can improve one's own immune response to stressors, according to Penn State researchers. The results suggest that family history should be considered to predict or ...

Who's tougher? Baby sharks or daddy sharks?

It's not just their teeth and jaws that people find intriguing. It's also their funky shapes and unique skeletal makeup that capture attention. Unlike humans and most land animals, sharks have mineralized cartilage skeletons ...

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