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Fossil evidence of 'hibernation-like' state in 250-million-year-old Antarctic animal(图)
Fossil hibernation-like state 250-million-year-old Antarctic animal
2020/9/4
Hibernation is a familiar feature on Earth today. Many animals -- especially those that live close to or in polar regions -- hibernate to get through tough winter months when food is scarce, temperatu...
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300-million-year-old fish resembles a sturgeon but took a different evolutionary path(图)
300-million-year-old resembles sturgeon different evolutionary path
2020/7/3
Sturgeon, long-lived, bottom-dwelling fish, are often described as living fossils. Their form has remained relatively constant, despite hundreds of millions of years of evolution.In a National Sc...
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Researchers discover 66-million-year-old badger-like animal(图)
Researchers 66-million-year-old badger-like animal
2020/5/9
In evolutionary terms, islands are the stuff of weirdness. It is on islands where animals evolve in isolation, often for millions of years, with different food sources, competitors, predators, and par...
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Shaking up the fish family tree:'Living fossil' not as old as we thought(图)
shaking up the fish family tree living fossil as old as we thought
2017/9/19
Polypterids are weird and puzzling African fish that have perplexed biologists since they were discovered during Napoleon's expedition to Egypt in the late 1700s.Often called living fossils, these eel...
Sequence data of biomolecules such as DNA and proteins, which provide critical information for evolutionary studies, have been assumed to be forever outside the reach of dinosaur paleontology. Protein...
Scientists discover fossil tumor in 255 million-year-old mammal forerunner
Scientists fossil tumor 255 million-year-old mammal forerunner
2016/12/13
When paleontologists cut into the fossilized jaw of an ancient creature, they got more than they bargained for: a toothy tumor.As the scientists report in a paper published today in the Journal o...
Research sheds new light on 150-year-old dinosaur temperature debate
new light 150-year-old dinosaur temperature debate
2015/11/13
Were dinosaurs fast, aggressive hunters like those in the movie "Jurassic World"? Or did they have lower metabolic rates that made them more like today's alligators and crocodiles?For 150 years, scien...
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The brain hidden inside the oldest known Old World monkey skull has been visualized for the first time. The creature’s tiny but remarkably wrinkled brain supports the idea that brain complexity can ev...
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550 Million Year Old Fossils Provide New Clues about Fossil Formation(图)
550 Million Year Old Fossils Provide New Clues Fossil Formation
2014/12/30
COLUMBIA, Mo. – A new study from University of Missouri and Virginia Tech researchers is challenging accepted ideas about how ancient soft-bodied organisms become part of the fossil record. ...