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Accessed on 15 November 2018, 1540 UTC

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Comment:  Here are the top science news headlines from “Science News.”  Views expressed in this science news summary are those of the reporters and correspondents.

Thanks for joining us today.

Until next time,

Russ Roberts
https://hawaiisciencedigest.blogspot.com

NEWS A massive crater hides beneath Greenland’s ice Nov 14 2018 2:00 PM The discovery of a vast crater in Greenland suggests that a 1-kilometer-wide asteroid hit the Earth between 2.6 million and 11,700 years ago. READ MORE

NEWS Skull damage suggests Neandertals led no more violent lives than humans Nov 14 2018 1:00 PM Neandertals’ skulls suggest they didn’t lead especially injury-prone lives. READ MORE

NEWS Sound-absorbent wings and fur help some moths evade bats Nov 14 2018 6:00 AM Tiny ultrathin scales on some moth wings absorb sound waves sent out by bats on the hunt. READ MORE

NEWS IN BRIEF U.S. cases of a polio-like illness rise, but there are few clues to its cause Nov 13 2018 5:23 PM A total of 90 cases of acute flaccid myelitis have been confirmed so far this year, out of 252 under investigation. READ MORE

FEATURE How mammoths competed with other animals and lost Nov 13 2018 12:30 PM Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans. READ MORE

NEWS Climate change may have made the Arctic deadlier for baby shorebirds Nov 13 2018 10:45 AM What were once relatively safe havens in the Arctic are now feasting sites for predators of baby birds. READ MORE

More Recent Headlines INTRODUCING One of Earth’s shimmering dust clouds has been spotted at last NOV 13 2018 6:00 AM Almost 60 years after a Polish astronomer spotted clouds of dust orbiting Earth near the moon, astronomers have detected those clouds again. READ MORE   NEWS IN BRIEF Physicists wrangled electrons into a quantum fractal NOV 12 2018 11:00 AM The tiny, repeating structure could reveal weird behavior of electrons in fractional dimensions. READ MORE   SCIENCE STATS Car tires and brake pads produce harmful microplastics NOV 12 2018 8:38 AM Scientists surveyed tiny airborne plastics near German highways and found that bits of tires, brake pads and asphalt make up most of the particles. READ MORE   NEWS China is about to visit uncharted territory on the moon NOV 11 2018 7:00 AM The next two Chinese missions to the moon will visit places no spacecraft has been before. The rest of the world wants a piece of the lunar action. READ MORE   NEWS A potent fish oil drug may protect high-risk patients against heart attacks NOV 10 2018 3:00 PM People with, or at high risk of, cardiovascular disease lowered their chances of having a heart attack or stroke with a drug containing an omega-3 fatty acid. READ MORE   NEWS Vitamin D supplements don’t prevent heart disease or cancer NOV 10 2018 3:00 PM Vitamin D supplements won’t cut your risk of heart attack or stroke, according to highly anticipated study results. READ MORE   SAY WHAT? These tiny, crackly bubbles are a new type of volcanic ash NOV 09 2018 12:00 PM Scientists have identified a new type of volcanic ash made up of millimeter-long spheres with a crackled surface. READ MORE   NEWS Ancient DNA suggests people settled South America in at least 3 waves NOV 09 2018 9:00 AM Genetic studies of ancient remains are filling in the picture of who the earliest Americans were and how they spread through the Americas long ago. READ MORE   NEWS Hints of Oort clouds around other stars may lurk in the universe’s first light NOV 09 2018 6:00 AM Sifting through the universe’s early light could reveal planetary graveyards orbiting other stars. READ MORE   NEWS These fragile, futuristic batteries run longer with a little oil NOV 08 2018 2:00 PM A redesign for batteries that use aluminum and oxygen could help these inexpensive, lightweight power cells last longer. READ MORE