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PlantsOn hot summer days, this thistle is somehow cool to the touch
In hot Spanish summers, the thistle Carlina corymbosa is somehow able to cool itself substantially below air temperature.
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MathHow two outsiders tackled the mystery of arithmetic progressions
Computer scientists made progress on a decades-old puzzle in a subfield of mathematics known as combinatorics.
By Evelyn Lamb -
PlantsAncient trees’ gnarled, twisted shapes provide irreplaceable habitats
Traits that help trees live for hundreds of years also foster forest life, one reason why old growth forest conservation is crucial.
By Jake Buehler -
Health & Medicine50 years ago, computers helped speed up drug discovery
In 1974, a computer program helped researchers search for promising cancer drugs.