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Earth & Environment

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Cuscuta reflexa

VICIOUS VINE  One of the dodder vines, Cuscuta reflexa, twines over neighboring plants and sucks the life out of them — unless they have a wooden-stake gene.

birdsouthern yellow-billed hornbill

HOT TIMES  Heat can have hidden costs for birds. Something as simple as panting can chip away at a southern yellow-billed hornbill's ability to snag prey. 

 Ellesmere Island

LONG DELAY  A lack of nutrients may have delayed the recovery of marine ecosystems following the Permian extinction. On northern Ellesmere Island in the Canadian Arctic, light-colored ocean sediments deposited after the extinction (bottom foreground) contain few nutrients; darker sediments that formed later (middle background along slope) are nutrient rich.

Earth & Environment

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