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ScienceDaily: Fossils & Ruins News |
| On ancient Earth, it never rained but it poured Posted: 03 Nov 2021 05:04 PM PDT In a new study, researchers found that during epochs of extreme heat -- 20 to 30 degrees Fahrenheit hotter than today -- Earth may have experienced cycles of dryness followed by massive rain storms hundreds of miles wide that could dump more than a foot of rain in a matter of hours. The research not only sheds light on Earth's distant past and far-flung future but may also help to understand the climates of exoplanets orbiting distant stars. |
| 1,000 years of glacial ice reveal 'prosperity and peril' in Europe Posted: 03 Nov 2021 11:01 AM PDT Europe's past prosperity and failure, driven by climate changes, has been revealed using thousand-year-old pollen, spores and charcoal particles fossilized in glacial ice. This first analysis of microfossils preserved in European glaciers unveils earlier-than-expected evidence of air pollution and the roots of modern invasive species problems. |
| Let’s talk about the 1,800-plus 'young' volcanoes in the US Southwest Posted: 03 Nov 2021 08:54 AM PDT They're born. They live once, erupting for a period that might last for days, years or decades. Then, they go dark and die. This narrative describes the life of a monogenetic volcano, a type of volcanic hazard that can pose important dangers despite an ephemeral existence. The landscape of the southwestern U.S. is heavily scarred by past eruptions of such volcanoes, and a new study marks a step toward understanding future risks for the region. |
| Harnessing Thor’s Hammer: How forensic science is unlocking the mysteries of fatal lightning strikes Posted: 03 Nov 2021 05:26 AM PDT New research could help forensic teams understand whether people or animals were the victims of fatal lightning strikes, based solely upon an analysis of their skeletons. |
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