Calcifying algae as key players in climate models

Over the past 500 million years, different single-celled organisms in the oceans have discovered at different times and also under very different conditions how to build a 'shell' around their single cell. "Six different ...

Deceptive daisy's ability to create fake flies explained

A male fly approaches a flower, lands on top of what he thinks is a female fly, and jiggles around. He's trying to mate, but it isn't quite working. He has another go. Eventually he gives up and buzzes off, unsuccessful. ...

Why do cats knead?

"Kneading" is when cats massage an object with the front paws, which extend and retract, one paw at a time.

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