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Earth & Environment

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world map of submarine fiber-optic cables

MOTION OF THE OCEAN FLOOR  The network of submarine fiber-optic cables that deliver work emails and cat videos to computers around the world could double as undersea earthquake detectors. Existing cables are shown in purple; planned cables are in blue.

researchers with a narwhal

TURN IT UP  Researchers put an acoustic tagging device on a male narwhal to record its underwater clicks, buzzes and calls.  

Antarctic iceberg

MELTDOWN  An iceberg floats near the Rothera Research Station on the Antarctic Peninsula. Melting ice from the Antarctic ice sheet, which includes the peninsula, has intensified, new research finds.

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