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The reason why birds make such a racket at dawn is still unclear. But researchers are now pouring cold water on one popular idea about why.
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The exemption comes amid worries of how President Trump's steep new tariffs will affect American tech companies that rely on supply chains in China, like Apple. -
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. -
The agency forecasts weather, manages fisheries, and researches the world's oceans, atmosphere, and climate. The proposed budget cuts would slash the climate work entirely. -
Surgeons at NYU Langone Health in New York City had to remove a genetically modified pig kidney from Towana Looney, 53, of Gadsden, Ala., because her body rejected the organ. She's back on dialysis. -
An author of a recent study about lightning's effect on trees in Panamanian forests says his team has gotten a large, positive response from people, including those who call the trees inspirational. -
The halt of a groundbreaking virus-tracking program has scientists warning of growing blind spots in public health monitoring. -
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. -
Scientists have recreated a pathway that senses pain, using clusters of human nerve cells grown in a dish. -
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. -
On April 14, Blue Origin plans to launch a space flight with a crew that includes the singer behind the 2010 hit "Firework." But we can think of many other artists who deserve to be among the stars.
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