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Getting a glimpse inside the moon

New research from University of Alberta physicists provides the first-ever model of our Moon’s rotational dynamics, taking into consideration its solid inner core. Their model helps to explain why, as seen from Earth, the Moon appears to wobble on its axis. The answer, said physicist Mathieu Dumberry, lies in the ...

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New discovery pushes origin of feathers back by 70 million years

An international team of palaeontologists, which includes the University of Bristol, has discovered that the flying reptiles, pterosaurs, actually had four kinds of feathers, and these are shared with dinosaurs — pushing back the origin of feathers by some 70 million years. Pterosaurs are the flying reptiles that lived side ...

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Confirmed! Those LIGO Gravitational Wave Signals Were Real

After the historic announcement in February 2016 hailing the discovery of gravitational waves, it didn’t take long for skeptics to emerge. The detection of these feeble undulations in the fabric of space and time by the Laser Interferometer Gravitational-Wave Observatory (LIGO) was said to have opened a new ear on ...

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HIV vaccine protects non-human primates from infection

For more than 20 years, scientists at Scripps Research have chipped away at the challenges of designing an HIV vaccine. Now new research, published in Immunity, shows that their experimental vaccine strategy works in non-human primates. The new study shows that rhesus macaque monkeys can be prompted to produce neutralizing ...

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Sci-Fi Promised Us Home Robots. So Where Are They?

Science fiction has promised us a whole lot of technology that it’s rudely failed to deliver—jetpacks, flying cars, teleportation. The most useful one might be the robot companion, à la Rosie from The Jetsons, a machine that watches over the home. It seemed like 2018 was going to be the ...

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No GPS? A DIY Radio Transmitter Can Help You Navigate

Suppose you traveled back in time—say 40,000 years into the past—and then you got stuck. What would you do? How would you rebuild all the stuff that you like? That’s the premise of the book How to Invent Everything: A Survival Guide for the Stranded Time Traveler, by Ryan North. ...

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Neanderthal genes give clues to human brain evolution

A distinctive feature of modern humans is our round (globular) skulls and brains. On December 13, in the journal Current Biology, researchers report that present-day humans who carry particular Neanderthal DNA fragments have heads that are slightly less rounded, revealing genetic clues to the evolution of modern brain shape and ...

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