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Breathing new life into the rise of oxygen debate

New research strongly suggests that the distinct ‘oxygenation events’ that created Earth’s breathable atmosphere happened spontaneously, rather than being a consequence of biological or tectonic revolutions. The study not only shines a light on the history of oxygen on our … Continue reading

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Megadroughts fueled Peruvian cloud forest activity

New research has found that strong and long-lasting droughts parched the usually moist Peruvian cloud forests, spurring farmers to colonize new cropland. Findings also included evidence that recovery from some climate change-related damage is possible. Paleontology News — ScienceDaily

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Untangling the branches in the mammal tree of life

Researchers have unveiled a complete overhaul of the way species data is brought together and analyzed to construct an evolutionary tree of life for mammals. It’s aimed at giving scientists, conservation managers, policymakers, and environmentalists more accurate, comprehensive information about … Continue reading

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Carbon emissions from volcanic rocks can create global warming

Greenhouse gas emissions released directly from the movement of volcanic rocks are capable of creating massive global warming effects — a discovery which could transform the way scientists predict climate change, a new study reveals. Paleontology News — ScienceDaily

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Dull teeth, long skulls, specialized bites evolved in unrelated plant-eating dinosaurs

Herbivorous dinosaurs evolved many times during the 180 million-year Mesozoic era, and while they didn’t all evolve to chew, swallow, and digest their food in the same way, a few specific strategies appeared time and time again. An investigation of … Continue reading

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Gulf of Mexico coral reefs to protect from storm surge in the future — But will they?

Researchers used 120,000-year-old fossils to predict how Gulf of Mexico coral reefs will respond to climate change toward the end of this century. Paleontology News — ScienceDaily

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Compound eyes: The visual apparatus of today’s horseshoe crabs goes back 400 million years

The extinct sea scorpion species Jaekelopterus rhenaniae had eyes comparable to those of today’s horseshoe crabs. The two-and-a-half-meter predator was particularly apt at perceiving contrasts and contours under water. Paleontology News — ScienceDaily

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Mystery of how early animals survived ice age

How did life survive the most severe ice age? A team has found the first direct evidence that glacial meltwater provided a crucial lifeline to eukaryotes during Snowball Earth, when the oceans were cut off from life-giving oxygen, answering a … Continue reading

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People, climate, and water played a role in the extinction of Australia’s megafauna

For the first time, the research suggests a combination of climate change and the impact of people sealed the fate of megafauna, at least in south-eastern Australia. And that distribution of freshwater — a precious commodity for animals and people … Continue reading

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A carnivorous dinosaur species regrew all its teeth every few months

A meat-eating dinosaur species that lived in Madagascar some 70 million years ago replaced all its teeth every couple of months or so, a new study has found, surprising even the researchers. In fact, Majungasaurus grew new teeth roughly two … Continue reading

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