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Crows in a lab were able to distinguish shapes that exhibited right angles, parallel lines, and symmetry, suggesting that, like humans, they have a special ability to perceive geometric regularity. -
State officials are weighing listing the tiny birds as an endangered species, a decision that could have big implications for the farming and renewable energy-focused county. -
All of the former research chimpanzees that had been living on an Air Force base in New Mexico have finally arrived at a sanctuary in Louisiana. Many of these chimps are in their 50s and 60s. -
Mount Spurr, which scientists say is likely to erupt in the coming weeks or months, is about 80 miles west of Anchorage. But ash clouds could reach the state's biggest city. -
The birth of tortoises native to Santa Cruz Island in the Galápagos increases their U.S. population from 44 to 48. A few thousand remain globally, according to estimates by experts. -
Colossal Biosciences says it used novel gene-editing technology to alter gray wolf DNA to breed the animals. Dire wolves recently featured prominently in the HBO series Game of Thrones. -
Honeybee populations are again declining, threatening crops. But the honeybee is not the only bee that can work in the fields. -
National Adopt a Shelter Pet Day is on April 30. To celebrate, NPR wants to know how your pet has changed your life. We would also love to see photos of your purr-fect fur-ever friend. -
A new study suggests genetic changes allow horses to produce more energy, while minimizing the toll the energy takes on cells. -
Miss Piggy, the 250-plus pound Vietnamese Pot-bellied pig removed from a house in the Grant Hill neighborhood is "doing OK," but severely overweight and has an underlying arthritis condition.
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