Genome of Steller's sea cow decoded

During the Ice Age, giant mammals such as mammoths, saber-toothed cats and wooly rhinoceroses once roamed Northern Europe and America. The cold oceans of the northern hemisphere were also home to giants like Steller's sea ...

Roots meshed in waste materials could clean dirty water

Plant roots enmeshed in layers of discarded materials inside upright pipes can purify dirty water from a washing machine, making it fit for growing vegetables and flushing toilets, according to Penn State horticulturists.

We're all mammals – so why do we look so different?

It is easy to distinguish a mouse from a cow. But for members of the same class of mammal, where do such differences begin? In 2011, scientists discovered there were differences in cow and mice blastocysts, the tiny hollow ...

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