For years, controversy has swirled around how a Cretaceous-era, sail-backed dinosaur—the giant Spinosaurus aegyptiacus—hunted its prey. Spinosaurus was among the largest predators ever to prowl the Earth and one of the ...
Paleontology & Fossils
Mar 6, 2024
1
208
A 30 million year-old fossil whale may not be the heaviest animal of all time after all, according to a new analysis by paleontologists at UC Davis and the Smithsonian Institution. The new analysis puts Perucetus colossus ...
Plants & Animals
Feb 29, 2024
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405
Diagnosing anemia in living people is typically a matter of a routine blood test. Retrospectively diagnosing anemia in people who died decades or even centuries ago is much more challenging since there is no blood left to ...
Archaeology
Feb 28, 2024
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3
How old are these bones? This standard question in archaeology can be answered quite precisely in many cases with the help of the carbon isotope 14C. But there are exceptions. Certain living habits, such as that of prehistoric ...
Archaeology
Feb 21, 2024
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249
Japanese horseshoe bats—or Nihon Kikugakushira—emit high-amplitude, ultrasonic waves from their nostrils. Several ultrasound-related studies have previously attempted to address the significant regional variability noted ...
Plants & Animals
Feb 19, 2024
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15
University of Wyoming archaeology Professor Todd Surovell and his team of collaborators have discovered a tube-shaped bead made of bone that is about 12,940 years old. The bead, found at the La Prele Mammoth site in Converse ...
Archaeology
Feb 12, 2024
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795
Scientists have combined laser 3D printing technology and an alternate soaking process to construct complex 3D structures that mimic bone microstructure. This is the first demonstration of this fabrication method, and it ...
Biochemistry
Feb 12, 2024
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64
Artificial structures called cellular materials have a network of internal spaces within a solid cell-like matrix. Their porous foam-like architecture combines advantages of low density with strength. Researchers at the National ...
Analytical Chemistry
Feb 8, 2024
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1
The idea that two different human species, Homo sapiens (us) and Neanderthals, co-existed in western Eurasia 50–40,000 years ago has long captured the imagination of academics and the public alike.
Archaeology
Feb 7, 2024
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57
Pioneering groups of humans braved icy conditions to settle in northern Europe more than 45,000 years ago, a "huge surprise" that means they could have lived there alongside Neanderthals, scientists said Wednesday.
Archaeology
Feb 4, 2024
0
51
