Putin receives 'prehistoric' water from Antarctic lake

Prime Minister Vladimir Putin was given a water sample Friday taken from a pristine lake hidden under Antarctic ice for over a million years, after Russian scientists drilled down to its surface.

Road salt is bad for the environment, so why do we keep using it?

Marshes, streams and lakes lie alongside many of the roads and highways that zigzag across North America. Plants and animals inhabit these water bodies and can be exposed to many of the substances we put on those roads, including ...

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