How a single locust becomes a plague

Vast swarms of desert locusts are tearing through the Horn of Africa and south Asia, devouring crops and threatening food supplies and livelihoods. It’s the worst infestation in a quarter of a century. How did it get so bad?

NASA astronaut sets new female space record

NASA astronaut Christina Koch has completed the longest-ever single spaceflight by a woman. The Russian Soyuz spacecraft carrying Koch parachuted down to the grasslands of Kazakhstan. She spent 328 days on the International Space Station.

Earth just had its hottest decade on record

The 2010s averaged 14.7 C worldwide, or 0.8 C higher than the 20th-century average and more than one-fifth of a degree C warmer than the previous decade, which had been the hottest on record.
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