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3 小时
Unique killer whale pod may have acquired special skills to hunt whale sharks
Killer whales can feed on marine mammals, turtles, and fish. In the Gulf of California, a pod might have picked up new skills ...
13 小时
Scientists reveal structural link for initiation of protein synthesis in bacteria
Within a cell, DNA carries the genetic code for building proteins. To build proteins, the cell makes a copy of DNA, called ...
13 小时
A fossil first: Scientists find 1.5-million-year-old footprints of two different species of ...
More than a million years ago, on a hot savanna teeming with wildlife near the shore of what would someday become Lake ...
13 小时
Coral adaptation unlikely to keep pace with global warming, warn scientists
Coral adaptation to ocean warming and marine heat waves will likely be overwhelmed without rapid reductions of global ...
12 小时
Smaller brains? Fewer friends? An evolutionary biologist asks how AI will change humanity's ...
What will humans be like generations from now in a world transformed by artificial intelligence (AI)? Plenty of thinkers have ...
16 小时
Evidence found of only known familial practice of long-term embalming in Early Modern France
A team of bioarchaeologists from the Austrian Archaeological Institute at the Austrian Academy of Sciences, Université de ...
18 小时
Astronomers investigate the evolution of a supersoft X-ray source
Using ESA's XMM-Newton satellite and NASA's Chandra spacecraft, German astronomers have observed a supersoft X-ray source ...
14 小时
Researchers find a possible solution to the cosmic ray muon puzzle
Scientists have a problem with cosmic rays—they produce too many muons at the Earth's surface. Cascades of muons are ...
10 小时
Plastic in the ocean and on our plates: What are the risks to human health?
It's no secret: when we savor a delicious piece of fish or a platter of seafood, we're not just consuming valuable omega-3s ...
21 小时
Astrophysicists find evidence that Alfvén waves lead to heat generation in the magnetosphere
A small team of astrophysicists at the University of California, Los Angeles, working with colleagues from the University of ...
14 小时
Tiny rotating particles create vorticity in viscous fluids, yielding fascinating new behaviors
Vorticity, a measure of the local rotation or swirling motion in a fluid, has long been studied by physicists and ...
14 小时
Car tires shed a quarter of all microplastics in the environment. Urgent action is needed
Every year, billions of vehicles worldwide shed an estimated 6 million tons of tire fragments. These tiny flakes of plastic, ...
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