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E.g., 08/18/2017
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  • Context

    Modern-day Alice trades looking glass for wormhole to explore quantum wonderland

    If Lewis Carroll were alive today, he wouldn’t bother with a looking glass. His book would be called Alice Through the Wormhole.

    Being the mathematician that he was, Carroll (aka Charles Dodgson) would have kept current with the latest developments in quantum physics. He would no doubt be intrigued by a new paper describing an idea for the creation (or at least the simulation) of a...

    08/02/2017 - 07:00 Quantum Physics
  • News

    Tardigrades aren’t champion gene swappers after all

    A peek at tardigrades' genetic diaries may dispel a rumor about an amazing feat the tiny creatures were supposed to perform: borrowing large numbers of genes from other organisms.

    Tardigrades — also known as water bears and moss piglets — hardly ever borrow DNA from other creatures, researchers report July 27 in PLOS Biology.

    New analyses of DNA from two species of water bear,...

    07/27/2017 - 14:06 Genetics, Animals, Evolution
  • Letters to the Editor

    Readers intrigued by Mars' far-out birth

    Martian mysteries

    Mars may have formed out where the asteroid belt is now, far from its planetary neighbors, Thomas Sumner reported in “New proposal reimagines Mars’ origin” (SN: 5/27/17, p. 14).

    Readers online were fascinated by Mars’ origin story. “There seemed to be evidence of actual seas on early Mars,” stargene wrote. “How can this be finessed into the idea of Mars living out in...

    07/06/2017 - 12:30 Planetary Science, Genetics, Particle Physics
  • Letters to the Editor

    Readers dispute starfishes' water-swirling abilities

    Doomsday preppers

    Dinosaurs and other creatures were largely wiped out 66 million years ago from an asteroid impact, volcanic eruptions or maybe a mix of the two, Thomas Sumner reported in “Devastation detectives” (SN: 2/4/17, p. 16), in the Science News special report “Dino Doomsday.”

    Online reader Mike van Horn wondered if the timing of the v­olcanic eruptions, which happened for h­...

    03/08/2017 - 12:22 Animals, Evolution, Biophysics
  • It's Alive

    Coconut crab pinches like a lion, eats like a dumpster diver

    A big coconut crab snaps its outsized left claw as hard as a lion can bite, new measurements suggest. So what does a land crab the size of a small house cat do with all that pinch power?

    For starters, it protests having its claw-force measured, says Shin-ichiro Oka of the Okinawa Churashima Foundation in Motobu, Japan. “The coconut crab is very shy,” he says. It doesn’t attack people...

    02/21/2017 - 07:00 Animals, Ecology, Biophysics
  • Feature

    Dinosaurs may have used color as camouflage

    The stories of dinosaurs’ lives may be written in fossilized pigments, but scientists are still wrangling over how to read them.

    In September, paleontologists deduced a dinosaur’s habitat from remnants of melanosomes, pigment structures in the skin. Psittacosaurus, a speckled dinosaur about the size of a golden retriever, had a camouflaging pattern that may have helped it hide in forests...

    11/16/2016 - 06:00 Paleontology, Animals
  • Context

    A new ‘Einstein’ equation suggests wormholes hold key to quantum gravity

    There’s a new equation floating around the world of physics these days that would make Einstein proud.

    It’s pretty easy to remember: ER=EPR.

    You might suspect that to make this equation work, P must be equal to 1. But the symbols in this equation stand not for numbers, but for names. E, you probably guessed, stands for Einstein. R and P are initials — for collaborators on two of...

    08/17/2016 - 07:00 Quantum Physics
  • Scicurious

    Sometimes busting myths can backfire

    It was the mic drop heard ’round the Internet.

    On January 25, rapper B.o.B (Bobby Ray Simmons) sent out a series of statements on Twitter stating why he thinks the Earth is flat. 

    */

    The cities in the background are approx. 16miles apart... where is the curve ? please explain this pic.twitter.com/YCJVBdOWX7

    — B.o.B (@bobatl) January 25, 2016...
    02/14/2016 - 13:00 Science & Society
  • Context

    Entanglement is spooky, but not action at a distance

    First of two (entangled) parts. Read part two. 

    A couple of weeks before last Halloween, physicists in the Netherlands treated the physics world with experimental proof of what Einstein called “spooky action at a distance.”

    It’s not the first time experiments have demonstrated the spooky phenomenon, known as quantum entanglement. But this particular experiment closed some loopholes...

    01/27/2016 - 07:05 Particle Physics, Quantum Physics, History of Science
  • Context

    Quantum spookiness survives its toughest tests

    Second of two (entangled) parts. Read part one. 

    Until his death in 1955, Albert Einstein hoped that someday science would do away with what he called spooky action at a distance.

    His concern was quantum entanglement. Two entangled particles, even after traveling very far from one another, share a mysterious quantum connection. Measuring one tells you instantly what the outcome...

    01/27/2016 - 07:00 Particle Physics, Quantum Physics, History of Science