5 movements physical therapists say every adult over 50 should do daily – The Washington Post
5 moves that physical therapists say every adult over 50 should do daily The Washington Post
Science
Modern humans interbred with Neanderthals before they disappeared, and most people of non-African ancestry still carry roughly 1 to 4 percent Neanderthal DNA today — meaning part of the human population we once thought we simply replaced never actually vanished
A man who died in a Romanian cave about 40,000 years ago carried more Neanderthal DNA than any other human being ever sequenced, ancient or modern. Its jaw appeared in Peștera cu Oase, and when geneticists analyzed it, the result was surprising: between six and nine percent of its genome came from Neanderthals. Because those … Read more
The ‘American Cheetah’ Was Actually a Different Animal All Along : ScienceAlert
The Ice Age movies get one important thing right: Climate changes and ice ages caused profound animal migrations and evolutionary adaptations, although it’s unclear whether any of them were the result of a saber-toothed squirrel burying acorns and splitting a continent. During the Pleistocene epoch, between 2.58 million and 11,700 years ago, or what is … Read more
A 14-year-old in New York folded 54 variations of the same origami crease pattern and stacked dumbbells on them to see which collapsed — the winning fold held more than 9,000 times its own weight, the design is aimed at flat-pack disaster shelters, and it took the $25,000 top middle-school prize
The devices used in one of the most famous student experiments of the year were paper and gym equipment. Miles Wu, 14, from New York City, spent his project folding the same origami pattern over and over again (54 systematic variations of it) and then crushing his own handiwork, loading dumbbells into each folded structure … Read more
First-ever adult Tyrannosaurus rex trackway discovered in North Dakota badlands
MARMARTH, ND (CBS News Minnesota) – Paleontologists have discovered the first known footprint made by an adult Tyrannosaurus rex: four connected footprints found in the badlands of southwestern North Dakota, not far from the Montana border. The finding is described in a new paper published this week in the Journal of Vertebrate Paleontology. Previously, only … Read more
Scientists Tried Recreating Uranian and Neptunian Ice. Here’s What Happened
In 2018, scientists confirmed the existence of superionic ice, a strange phase of water that is part solid and part liquid, trapped in a cubic lattice with free-flying hydrogen atoms. Scientists believe this ice lives deep in Uranus and Neptune. So they tried to recreate this ice on Earth. Cue strange physics. Needless to say, … Read more
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Ancient bird feather discovered in fossilized dinosaur dung : NPR
This fossilized feather dates back to 66 million years ago, at the end of the Cretaceous period. “It is, without a doubt, the best feather we have found from the age of dinosaurs,” says Jingmai O’Connor, associate curator at the Field Museum of Natural History. Nate Carroll hide caption toggle caption Nate Carroll Paleontology can … Read more
Mercury may be shrinking faster than scientists expected
A new study shows that small, wrinkled Mercury may be shrinking faster than expected, the cosmos version of a grape shriveling into a raisin in the sun. Scientists at the Space Research Institute of the German Aerospace Center reported Thursday that Mercury’s shrinkage may be 30% larger than previously believed: a diameter loss of up … Read more
SpaceX launches classified mission for the US Space Force from California (video)
SpaceX launched a secret mission for the US Space Force today (September 10) from the central coast of California. A Falcon 9 rocket lifted off from Vandenberg Space Force Base today at 11:42 a.m. EDT (1542 GMT; 8:42 a.m. local time), kicking off a mission called USSF-153. The rocket’s first stage returned to Earth about … Read more