News
-
ClimateThe last 12 months were the hottest on record
The planet’s average temperature was about 1.3 degrees Celsius higher than the 1850–1900 average, a new report finds.
-
LifeHead lice hitched a ride on humans to the Americas at least twice
The genes of head lice record the story of their human hosts’ global voyages.
By Jake Buehler -
PhysicsA controversial room-temperature superconductor result has now been retracted
The retraction by Nature is the third for beleaguered physicist Ranga Dias, who still stands by his claim of a room-temperature superconductor.
-
AnimalsThe mysterious deaths of dozens of Zimbabwe’s elephants has been solved
A bacterium never before identified in elephants or implicated in deadly internal hemorrhaging killed Zimbabwe elephants in 2020, genetic tests show.