Related topics: mice · species · brain · neurons · fossil

Chinese super-rat roamed Earth 160 million years ago

A fossil of the oldest known ancestor of modern rats—an agile creature that could climb, burrow and eat just about anything—has been unearthed in China, scientists said Thursday.

Robots strike fear in the hearts of fish

(Phys.org) —The latest in a series of experiments testing the ability of robots to influence live animals shows that bio-inspired robots can not only elicit fear in zebrafish, but that this reaction can be modulated by ...

When it comes to mammals, how big is too big?

(Phys.org) —Mammals vary enormously in size, from weighing less than a penny to measuring more than three school buses in length. Some groups of mammals have become very large, such as elephants and whales, while others ...

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