Humans leaving a permanent mark on deep Earth

Human forays deep underground, such as boreholes, mines and nuclear bomb tests, are leaving a mark on the planet's geology that will last for hundreds of millions of years, say scientists.

Discovery of a tiny new animal in Antarctica's Victoria Land

It's a member of the tardigrade family. Also known as water bears or moss piglets, these are widespread and ancient microscopic animals, around half a millimetre long at most and generally found in moss and lichen, where ...

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