White clover’s toxic tricks traced to its hybridization

White clover is a weed that grows the world over — there’s a good chance you have some growing in your yard today. The family history of white clover (Trifolium repens) was pinned down years ago, but biologists have just uncovered the genetic backstory of white clover’s biggest trick.
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3 mental tricks to win gold at the Winter Olympics

By the time Olympic athletes arrive in Pyeongchang, South Korea, they have trained their bodies to near-perfection. But it’s how well they’ve trained their minds that may determine who’s more likely to take home a medal.


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