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Charles Darwin was probably right when he suggested all life on Earth started in a “primordial soup.” Scientists continue to find evidence of the theory. ....
Crocodiles evolved in a way called punctuated equilibrium, with tandem short- and long-lived species. The same may be true of other “living fossil” species around the world. It’s been 200 million years, but crocodiles haven’t aged a day. You love badass beasts. So do we. Let s nerd out over them together. In a new paper, scientists from the U.K. explain how this notorious “living fossil” has kept its rugged good looks since the heyday of the dinosaurs. In the study, the researchers used “advanced evolutionary modeling” to show why some animals have stayed exactly the same since just after the Triassic-Jurassic mass extinction. ....
lot of the time, including through the cold and difficult winter months. Today, we know that hibernating animals walk a very fine line of preparation and subsistence, building fat stores and activating biological triggers to lower body temperature and metabolism. But while modern humans have technology that staves off nutritional diseases, for example, our prehistoric ancestors had no such luck. ZZZZZ It’s in these absences, which leave physical marks on the human skeleton, that researchers have found their clues. Here’s just part of the laundry list of self evident health conditions: “We found trabecular tunneling and osteitis fibrosa, subperiosteal resorption, ‘rotten fence post’ signs, brown tumours, subperiosteal new bone, chondrocalcinosis, rachitic osteoplaques and empty gaps between them, craniotabes, and beading of ribs mostly in the adolescent population of these hominins. [T]hese extinct hominins suffered annually from renal rickets, s ....
New AI research shows that a major cornerstone of evolutionary theory could be totally wrong. By analyzing species data, the algorithm found die-outs and flourishing aren t usually linked. There are way more top 5 percent population events than we might have realized. Scientists have new evidence that Earth’s many periodic mass extinctions follow a cycle of about 27 million years, connecting the five major mass extinctions with more minor ones occurring throughout Earth’s life-fostering timespan. The artificial intelligence analysis could also shift how evolutionary scientists think about the aftermath of mass extinctions. Get unlimited access to the weird world of Pop Mech. ....