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9/17/2021

Planet-forming disk material orbiting some young stars has been found to contain a large amount of organic molecules, "some which are implicated in the origins of life here on Earth," said Karin Oberg, an author of one of 20 papers on the discovery scheduled for publication in The Astrophysical Journal. Data was collected by Chile's Atacama Large Millimeter/submillimeter Array and suggests that the same material responsible for the origins of life on Earth are also present elsewhere.

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Inverse
9/17/2021

Bone tools dating back between 90,000 and 120,000 years were likely used to work leather to make clothing for Stone Age people, according to findings detailed in iScience. Archaeologists found the bones among others in a Moroccan cave and they stood out because of their shape and sheen, suggesting their possible use in leather processing.

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CNN
9/17/2021

Snakes survived the devastation caused by the asteroid that caused the extinction of dinosaurs by going underground, not eating for long stretches and adapting quickly to the changing landscape, eventually branching out into new habitats around the world, a study in Nature Communications suggests. Snakes survived partially because they could hunt in low light and survive for a year without food.

9/16/2021

US Secretary of Labor Marty Walsh visited a Kentucky high school Wednesday to learn about the school's career and technical education program, Academies of Louisville, which is in place in 15 high schools. Officials say the program could be a model for the nation.

9/16/2021

Sea ice melt linked to climate change could bring higher tides and stronger tidal currents to Arctic communities, such as those in the Canadian Arctic Archipelago. Oceanographer Bill Williams says a longer open water season could lead to the expansion of ice-free areas known as polynyas, raising travel risks for Inuit communities.

9/16/2021

The destructive wildfires in Australia during 2019 and 2020 had wide-ranging effects, according to a pair of studies in Nature. One study suggests that the fires released substantially more carbon dioxide than scientists originally estimated, while the other found that the ash fed huge blooms of phytoplankton that captured large amounts of the CO2.

9/16/2021

An Ohio school district has converted its solar array space to become the home of the Northwest Scioto County Career and Technical Center FFA chapter's first sheep flock and on-school farm. The flock supports vegetation management and is used in animal science classes.

9/16/2021

An average of 4.9 million metric tons of carbon dioxide equivalent is being released annually in New England and New York as a result of forest loss in the region, according to a new study. The impact is greater when accounting for lost capacity for carbon sequestration. Clark University geography professor Christopher Williams was lead author for the study, which involved reviewing satellite images and field plots from the US Forest Service.

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VTDigger (Vermont)
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US Forest Service
9/16/2021

Forecasting the extent of Arctic sea ice is getting a boost from artificial intelligence in a process detailed in Nature Communications. IceNet, created by the British Antarctic Survey, can forecast the amount of sea ice two months ahead with about 95% accuracy, much more quickly than the current leading method, researchers say.

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Science News
9/16/2021

NASA has extended Mark Vande Hei's International Space Station mission to next March, which will give him 353 days on the research spacecraft, breaking the 340-day record for an American astronaut currently held by Scott Kelly. Vande Hei says the experience will help scientists learn more about how long-term spaceflight affects the human body.

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Space
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Scott Kelly