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8 Votes Vote

Origins of life: New model may explain emergence of self-replication on early Earth

Posted by External 6 days ago General — One question of the origin of life in particular remains problematic: what enabled the leap from a primordial soup of individual monomers to self-replicating polymer chains? A new model proposes a potential mechanism by which self-replication could have emerged. It posits that template-assisted ligation, the joining of two polymers by using a third, longer one as a template, could have enabled po Read More
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7 Votes Vote

Learning early about late flights, weather complications

Posted by External 37 days ago General — A new study improves how air traffic managers cope with unexpected delays and provides them with more predictable ways to manage arrival traffic at airports with adverse weather. Read More
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10 Votes Vote

Cancer May Leave Early Warning Signs in Cheek Cells

Posted by External 80 days ago General — Smoking may cause changes in cells that are linked cancers beyond lung cancer, including breast and gynecological cancers, a new study finds. Read More
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9 Votes Vote

Shifting winds: An early warning for reduced energy

Posted by External 83 days ago General — Chinook winds can precede large shifts in wind power output from wind farms -- a challenge for companies seeking to provide a constant stream of green energy to consumers. By establishing a connection between local meteorological events and power grid output, the researchers hope that they may ultimately help grid operators more accurately predict fluctuations in flow and manage the grid accordin Read More
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13 Votes Vote

Geological foundations for smart cities: Comparing early Rome and Naples

Posted by External 94 days ago General — Geological knowledge is essential for the sustainable development of a 'smart city' -- one that harmonizes with the geology of its territory. Making a city 'smarter' means improving the management of its infrastructure and resources to meet the present and future needs of its citizens and businesses. Read More
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10 Votes Vote

DNA suggests all early Eskimos migrated from Alaska's North Slope

Posted by External 96 days ago General — Genetic testing of Inupiat people currently living in Alaska's North Slope is helping Northwestern University scientists fill in the blanks on questions about the migration patterns and ancestral pool of the people who populated the North American Arctic over the last 5,000 years. Read More
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11 Votes Vote

How soon after the big bang did water form in the early universe?

Posted by External 97 days ago General — How soon after the Big Bang could water have existed? Not right away, because water molecules contain oxygen and oxygen had to be formed in the first stars. Then that oxygen had to disperse and unite with hydrogen in significant amounts. New theoretical work finds that despite these complications, water vapor could have been just as abundant in pockets of space a billion years after the Big Bang Read More
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Early Earth May Have Absorbed Mercury-like Object

Posted by External 110 days ago General — A key ingredient of the early Earth may have been a chunk of rock much like Mercury, scientists say. This finding could help explain how Earth's magnetic field has lasted for billions of years, researchers added. Read More
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