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Search resuls for: "Asher Elbein"


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A new analysis published this week suggests that extreme weather linked to climate change might be much harder on native species than on nonnative ones. As the planet warms, extreme weather events — heat waves, cold snaps, droughts and floods — are becoming more common and destructive. The new paper, published on Monday in the journal Nature Ecology & Evolution by a team from the Chinese Academy of Sciences, suggests that these sudden, violent changes in conditions could be helping to fundamentally reshape ecosystems. In a statement, the team said that research on the impacts of extreme weather on ecosystems, while still in its early stages, was “critically important” to our ability to understand the effects of global warming on biodiversity. The researchers, led by Xuan Liu, an ecologist at the Academy of Sciences, analyzed 443 studies that examined the responses of 1,852 native and 187 nonnative species — from land, freshwater and marine habitats — to extreme weather.
Persons: Xuan Liu Organizations: Chinese Academy of Sciences, Academy of Sciences
A Pancaked Turtle Fossil’s 150-Million-Year-Old Tale
  + stars: | 2023-07-26 | by ( Asher Elbein | ) www.nytimes.com   time to read: +1 min
The hyper-saline, oxygen-poor conditions of these waters prevented scavengers from disturbing the bodies of animals that died in the lagoons. The area’s latest find is a beautifully preserved — if pancaked — turtle. Described in an article published Wednesday in the journal PLOS One, the specimen represents an approach to marine life unlike that of any shelled reptile today. The turtle’s name is Solnhofia, said Felix Augustin, a paleontologist at the University of Tübingen in Germany and an author of the study. Originally named in 1975, for decades the creature was known only from a pair of skulls found in Bavaria and Switzerland.
Persons: Felix Augustin Organizations: University of Tübingen Locations: Bavaria, Germany, Switzerland
A Fossil Dream as Big as Texas
  + stars: | 2023-07-17 | by ( Asher Elbein | Nina Riggio | ) www.nytimes.com   time to read: +1 min
Most people come to Ox Ranch — an 18,000-acre property outside Uvalde, Texas — for the thrill of hunting exotic animals in the Hill Country. Mr. LuJan is a commercial paleontologist, bald and often dressed in dinosaur-themed shirts and socks, who collects fossils and assesses their value for private clients. Such arrangements are not unusual in the vast and wealthy state, which is in the middle of a paleontological renaissance. That won’t be the case with Ox Ranch, and Mr. LuJan has bigger ambitions. But Mr. LuJan sees a paleontological void in the state, which has no public museum devoted solely to its fossil treasures.
Persons: Brent C, Oxley, Andre LuJan, LuJan Organizations: Uvalde , Texas — Locations: Uvalde , Texas, Texas
Fossils Show How Long-Necked Reptiles Lost Their Heads
  + stars: | 2023-06-19 | by ( Asher Elbein | ) www.nytimes.com   time to read: +1 min
In 1830, Henry De la Beche, an English paleontologist, composed a painting of “Duria Antiquior,” a vision of Mesozoic oceans. When picturing a long-necked marine reptile, he depicted its throat clamped between the jaws of a monstrous Ichthyosaurus. Almost two centuries have passed without direct evidence of the neck biting De la Beche imagined. The structure — which made up half the animal’s body — was constructed from 13 bizarrely elongated and interlocking vertebrae, creating a neck as stiff as a fishing rod. “Getting any insight into how these extreme structures functioned with potential weakness and strengths is very important,” Dr. Spiekman said.
Persons: Henry De la, picturing, Stephan Spiekman, Spiekman Organizations: State Museum of Locations: Stuttgart, Germany
But the spiny mouse’s body is full of secrets. Now, researchers have revealed another surprise in the journal iScience on Wednesday: Their tails are lined with osteoderms, or bony plates, making them only the second group of living mammals known to be equipped with underskin armor like an armadillo. X-rays of the mouse’s tail gave him pause: They reminded him of the lizards he had worked on for his Ph.D. But the only living mammals with known osteoderms were armadillos. “I know enough about osteoderms that it’s a fairly unknown thing for rodents to have them,” Dr. Stanley said.
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