Carbon released into the atmosphere by the increasing loss of Arctic permafrost, combined with higher solar absorption by the Earth’s surface due to the melting of sea ice and land …read more Source:: Science
Tag: impact
Screen time — even before bed — has little impact on teen well-being
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•Data from more than 17,000 teenagers show little evidence of a relationship between screen time and well-being in adolescents. The study casts doubt on the widely accepted notion that spending …read more Source:: Science
Researchers tap rare pristine air to reveal pollution’s impact
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•Human-caused pollution spurs the production of climate-changing particles known as secondary organic aerosols much more than previously thought. Researchers made the finding by analyzing air samples that were captured aboard …read more Source:: Science
66-million-year-old deathbed linked to dinosaur-killing meteor
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•Paleontologists have found a fossil site in North Dakota that contains animals and plants killed and buried within an hour of the meteor impact that killed the dinosaurs 66 million …read more Source:: Science
Mobile devices don’t reduce shared family time
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•The first study of the impact of digital mobile devices on different aspects of family time in the UK has found that children are spending more time at home with …read more Source:: Science
Do volcanoes or an asteroid deserve blame for dinosaur extinction?
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•Scientists have obtained more precise dates for the Deccan Traps volcanic lava flows, linking peak activity more closely to the asteroid or comet impact 66 million years ago and the …read more Source:: Science
NASA finds possible second impact crater under Greenland ice
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•A NASA glaciologist has discovered a possible second impact crater buried under more than a mile of ice in northwest Greenland. …read more Source:: Science
Crater from asteroid that killed the dinosaurs reveals how broken rocks can flow like liquid
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•The same process that allows rock to flow like liquid during impact events allows ‘peak rings’ to form in large craters. …read more Source:: Science
Martian moon may have come from impact on home planet
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•Phobos, the larger of Mars’ two tiny satellites, is the darkest moon in the solar system. This dark aspect inspired the hypothesis that the close-orbiting moon may be a captured …read more Source:: Science
Big fish produce disproportionately more and bigger eggs
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•Contrary to prevailing dogma, plus-sized female fish invest disproportionately more in making eggs than smaller females. Therefore, taking a single big fish has a bigger impact on the fish population …read more Source:: Science