Coral chemistry reflects Southeast Asia's economic expansion

Economic expansion leaves indelible marks on coral chemistry, according to a new study published in the Journal of Geophysical Research: Oceans. By analyzing barium levels in coral cores, scientists can access decades-old ...

Earth from space: Farming the desert

The Copernicus Sentinel-2 mission takes us over El Oued, in northeast Algeria, about 80 km west of the border with Tunisia.

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