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New Puffy Coats Are Being Designed to Fall Apart Faster

Outdoorsy types are well-versed in the differences between down feathers and synthetic fibers, the two most common fillings for puffy gear like jackets, gloves, and sleeping bags: Down compresses, but stops insulating when it gets wet. Synthetics keep you warm even when they’re soggy, but resist being stuffed into tight ...

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Mars: Oxygen-rich, life-supporting liquid water?

A team led by scientists at Caltech and the Jet Propulsion Laboratory (JPL), which Caltech manages for NASA, has calculated that if liquid water exists on Mars, it could — under specific conditions — contain more oxygen than previously thought possible. According to the model, the levels could even theoretically ...

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‘Oumuamua Was Neither Comet nor Asteroid…So What Was It?

Like a hit-and-run driver who races from the scene of a crash, the interstellar guest known as ’Oumuamua has bolted out of the solar system, leaving confusion in its wake. Early measurements seemed to indicate that it was an asteroid—a dry rock much like those found orbiting between Mars and ...

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Does herpes cause Alzheimer’s?

What causes Alzheimer’s disease? The answer could be right under our noses, says leading expert Professor Ruth Itzhaki. Her latest paper presents a lifetime of research evidence that the herpes virus responsible for cold sores can also cause Alzheimer’s — and new data which show antiviral drugs drastically reduce risk ...

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Earth’s inner core is solid, ‘J waves’ suggest

A new study by researchers at The Australian National University (ANU) could help us understand how our planet was formed. Associate Professor Hrvoje Tkalčić and PhD Scholar Than-Son Phạm are confident they now have direct proof that Earth’s inner core is solid. They came up with a way to detect ...

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An App Built for Hurricane Harvey Is Now Saving Lives in Florida

Last Wednesday, Hurricane Michael slammed into the Florida Panhandle at 155 miles per hour, flattening neighborhoods, turning subdivisions into rubble, and plunging the coast into darkness. On Friday, Trevor Lewis packed up two trucks with crowbars, chainsaws, sledgehammers, ropes, walkie talkies, and five other guys from Cocoa Beach, where he ...

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Arctic greening thaws permafrost, boosts runoff

A new collaborative study has investigated Arctic shrub-snow interactions to obtain a better understanding of the far north’s tundra and vast permafrost system. Incorporating extensive in situ observations, Los Alamos National Laboratory scientists tested their theories with a novel 3D computer model and confirmed that shrubs can lead to significant ...

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Here’s What Astronauts See When a Rocket Aborts Mid-Flight

Nick Hague spent 20 years dreaming of getting into space, first as an Air Force test pilot, then as a NASA astronaut since 2013. He got his big chance to blast into orbit last Friday aboard a Soyuz spacecraft launching from Russia’s Baikonur Cosmodrome in Kazakhstan. Hague and Russian cosmonaut ...

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Life-Saving Deliveries Will Get Drones Flying the Skies

Delivery drones are real and they’re operating on a national level, but they’re not dropping off impulse purchases, and some of the most important applications are not in the United States. Zipline, a Bay Area startup, inked a deal with the government of Rwanda in 2016 and now uses small, ...

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