Asher Elbein
Posts
Black Widows Are Losing to Brown Widows in the Fight for Your Attic and Garage
The arachnids, which likely migrated to the United States from South Africa, seem to be attacking black widow spiders in some parts of the country.
Why This Trilobite Had Neptune’s Trident for a Nose
A new paper suggests an ancient creature’s odd anatomical feature may be the earliest known example of specialized sexual combat in the animal kingdom.
It’s Turtles All the Way Down in the Fossil Record
How smushed shells could help to resolve paleontological mysteries.
Death Valley’s Invasive Donkeys Have Become Cat Food
Feral burros wreck wetlands in the desert national park. But a study found that when mountain lions prey on them, the donkeys may help some...
Dinosaurs Started Out Hot, Then Some of Them Turned Cold
Scientists directly measured the metabolic rate of extinct animals, which revealed that some giant dinosaurs became coldblooded.
The ‘Ultimate Bird’ Once Prowled the Seas of a Young Japan
Researchers described Annakacygna, a family of flightless ancient swans that were filter-feeders.
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