Search results for early

10 Votes Vote

'Ecosystem canaries' provide early warning signs of catastrophic changes to ecosystems

Posted by External 4 days ago General
https://www.sciencedaily.com — 'Ecosystem canaries' can provide early warning signals of large, potentially catastrophic, changes or tipping points in ecosystems, say researchers. Like canaries that coal miners used to check for poisonous gasses deep underground, ‘ecosystem canaries’ are species that are often the first to disappear from a stressed ecosystem. Their vanishing can be linked to changes in the functioning of ecosy Read More
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13 Votes Vote

Population boom preceded early farming

Posted by External 19 days ago General
https://www.sciencedaily.com — Anthropologists have counted the number of carbon-dated artifacts at archaeological sites and concluded that a population boom and scarce food explain why people in eastern North America domesticated plants for the first time on the continent about 5,000 years ago. Read More
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Early snowmelt reduces forests' atmospheric carbon dioxide uptake, decreases streamflow volume

Posted by External 20 days ago General
https://www.sciencedaily.com — Earlier, slower snowmelt hinders a subalpine forest's ability to regulate atmospheric carbon dioxide and reduces streamflow, a phenomenon with potentially drastic consequences for agriculture, municipal water supplies and recreational opportunities in Colorado and the western US, say scientists. Read More
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7 Votes Vote

Parkas Helped Early Humans Survive

Posted by External 21 days ago General
http://feedproxy.google.com — The mystery of how early humans survived the Ice Age while Neanderthals disappeared into evolutionary oblivion may lie in their choice of outerwear. Read More
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9 Votes Vote

Technological and cultural innovations amongst early humans not sparked by climate change

Posted by External 41 days ago General
https://www.sciencedaily.com — Environmental records obtained from archaeological sites in South Africa's southern Cape suggest climate may not have been directly linked to cultural and technological innovations of Middle Stone Age humans in southern Africa after all. Read More
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12 Votes Vote

Artificial Intelligence Could Help Catch Alzheimer's Early

Posted by External 47 days ago General
http://feedproxy.google.com — By applying artificial intelligence algorithms to MRI brain scans, researchers have developed a way to automatically distinguish between patients with Alzheimer's and two early forms of dementia that can be precursors to the memory-robbing disease. Read More
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Philly's Poo: Old Toilets Reveal Early America's Secret History 

Posted by External 48 days ago General
http://feedproxy.google.com — A routine archaeological investigation in the heart of Philadelphia produced stunning artifacts from 300-year-old toilets. Read More
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7 Votes Vote

Night-time light pollution causes spring to come early

Posted by External 53 days ago General
https://www.sciencedaily.com — Human use of artificial light is causing spring to come at least a week early in the UK, researchers have found. The findings provide important information for those in charge of lighting levels, such as local councils, and point to the need for further research into the impact of different light quality and the specific wavelengths of light generated by different lighting types. Read More
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9 Votes Vote

Early bird wings preserved in Burmese amber

Posted by External 56 days ago General
https://www.sciencedaily.com — Thousands of remarkable fossil birds from the time of the dinosaurs have been uncovered in China. However, most of these fossils are flattened in the rock, even though they commonly preserve fossils. Read More
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Early arrival gives bluebirds an edge in keeping nest sites

Posted by External 61 days ago General
https://www.sciencedaily.com — Finders, keepers: Mountain Bluebirds are more likely to defend nest cavities against competition from other birds such as swallows if they get there first, but climate change may disrupt the migratory timing that lets them beat their rivals to the punch, according to new research. Read More
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13 Votes Vote

Early farmers from across Europe were direct descendants of Aegeans

Posted by External 77 days ago General
https://www.sciencedaily.com — Paleogeneticists have shown that early farmers from across Europe have an almost unbroken trail of ancestry leading back to the Aegean. Read More
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