Earth & Environment

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coral in American Samoa

WHITE FRIGHT  Warming ocean temperatures threaten reefs around the globe, like this one in American Samoa; the prolonged heat can lead to coral bleaching. 

hydrothermal vents

SMOKE IN THE WATER  Ecosystem-supporting hydrothermal vents in the deep ocean are much more common than previously thought, new research shows.

Meteorites

ROCKY REMAINDERS  A new meteorite (dark area, center) discovered embedded inside red limestone may have formed during the same space crash that formed L chondrites, one of the most abundant meteorite groups on Earth.

Earth & Environment

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