Exact climate data from the past

Corals precipitate their calcareous skeletons (calcium carbonate) from seawater. Over thousands of years, vast coral reefs form due to the deposition of this calcium carbonate. During precipitation, corals prefer carbonate ...

Rising temps put desert shrubs in high-efficiency mode

Death Valley doesn't seem like the most ideal place to ride out rising temperatures amid a changing climate. But for the desert plants that live there, it's home—and they face the choice to adapt or die.

Cahokia's rise parallels onset of corn agriculture

Corn cultivation spread from Mesoamerica to what is now the American Southwest by about 4000 B.C., but how and when the crop made it to other parts of North America is still a subject of debate. In a new study, scientists ...

Deep-sea worms and bacteria team up to harvest methane

Scientists at Caltech and Occidental College have discovered a methane-fueled symbiosis between worms and bacteria at the bottom of the sea, shedding new light on the ecology of deep-sea environments.

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