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Animals

Here’s what narwhals sound like underwater

Scientists eavesdropped while narwhals clicked and buzzed. The work could help pinpoint how the whales may react to more human noise in the Arctic.

Climate

Antarctica has lost about 3 trillion metric tons of ice since 1992

Antarctica’s rate of ice loss has sped up since 1992 — mostly in the last five years, raising global sea level by almost 8 millimeters on average.

Physics

This heavy element has a football-shaped atomic nucleus

Three nobelium isotopes have oblong nuclei, and some sport a ‘bubble’ center.

Physics

In her short life, mathematician Emmy Noether changed the face of physics

A century after she published a groundbreaking mathematical theory, Emmy Noether gets her due.