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E.g., 04/29/2017
E.g., 04/29/2017
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  • ocellated lizard
  • lambs
  • Cassini and Saturn
Your search has returned 19245 articles:
  • Science Visualized

    The scales of the ocellated lizard are surprisingly coordinated

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    A lizard’s intricately patterned skin follows rules like those used by a simple type of computer program.

    As the ocellated lizard (Timon lepidus) grows, it transforms from a drab, polka-dotted youngster to an emerald-flecked adult. Its scales first morph from white and brown to green and black. Then, as the animal ages, individual scales flip from black to green, or...

    04/27/2017 - 06:00 Animals, Biophysics
  • News

    Faux womb keeps preemie lambs alive

    Premature babies may one day continue developing in an artificial womb, new work with sheep suggests.

    A fluid-filled bag that mimics the womb kept premature lambs alive and developing normally for four weeks, researchers report April 25 in Nature Communications. Lambs at a gestational age equivalent to that of a 23- or 24-week-old human fetus had normal lung and brain development after a...

    04/25/2017 - 12:30 Biomedicine
  • Science Ticker

    In ‘grand finale,’ Cassini spacecraft sets off on collision course with Saturn

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    Cassini is bravely going where no spacecraft has gone before — between Saturn and its rings.

    The probe, which launched in 1997 and has orbited Saturn since 2004, starts this daring expedition April 22. It will fly through the 2,400-kilometer-wide gap between Saturn and its rings 22 times before plunging into the planet’s atmosphere and burning up on Sept. 15....

    04/21/2017 - 07:00 Planetary Science
  • 50 Years Ago

    50 years ago, continental drift began to gain acceptance

    Drifting theories shake up geology

    Continental drift, a theory often considered amusing but rarely important, seems about to become the focus of a revolution in geology. At the least, it has already split the geological community into those who find the evidence for it “formidable” and those who think it is not yet formidable enough to constitute a proof. — Science News, April 29, 1967...

    04/20/2017 - 09:00 Earth
  • Feature

    Venomous fish have evolved many ways to inflict pain

    Biologist Leo Smith held an unusual job while an undergraduate student in San Diego. Twice a year, he tagged along on a chartered boat with elderly passengers. The group needed him to identify two particular species of rockfish, the chilipepper rockfish and the California shortspine thornyhead. Once he’d found the red-orange creatures, the passengers would stab themselves in the arms with the...

    04/19/2017 - 11:30 Animals, Evolution
  • Scicurious

    How the house mouse tamed itself

    Got a mouse in the house? Blame yourself. Not your housekeeping, but your species. Humans never intended to live a mouse-friendly life. But as we moved into a settled life, some animals — including a few unassuming mice — settled in, too. In the process, their species prospered — and took over the world.

    The rise and fall of the house mouse’s fortunes followed the stability and...

    04/19/2017 - 07:00 Archaeology, Animals
  • Feature

    There’s still a lot we don’t know about the proton

    Nuclear physicist Evangeline Downie hadn’t planned to study one of the thorniest puzzles of the proton.

    But when opportunity knocked, Downie couldn’t say no. “It’s the proton,” she exclaims. The mysteries that still swirl around this jewel of the subatomic realm were too tantalizing to resist. The plentiful particles make up much of the visible matter in the universe. “We’re made of them...

    04/18/2017 - 08:00 Physics, Particle Physics, Quantum Physics
  • Mystery Solved

    Hawk moths convert nectar into antioxidants

    Hawk moths have a sweet solution to muscle damage.

    Manduca sexta moths dine solely on nectar, but the sugary liquid does more than fuel their bodies. The insects convert some of the sugars into antioxidants that protect the moths’ hardworking muscles, researchers report in the Feb. 17 Science.

    When animals expend a lot of energy, like hawk moths do as they rapidly beat their wings...

    04/17/2017 - 07:00 Ecology, Microbiology
  • Television

    The drama of Albert Einstein’s life unfolds in the new series Genius

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    Albert Einstein was a master of physics, but his talent in personal relationships was decidedly underdeveloped. A new 10-episode series, Genius, airing on the National Geographic Channel, focuses on the facets of Einstein’s life where he was anything but a virtuoso.

    Genius is a dramatization, not a documentary. The series reveals the human side of the famously brainy...

    04/16/2017 - 08:00 Physics, History of Science
  • Science Visualized

    Cells’ stunning complexity on display in a new online portal

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    Computers don’t have eyes, but they could revolutionize the way scientists visualize cells.

    Researchers at the Allen Institute for Cell Science in Seattle have devised 3-D representations of cells, compiled by computers learning where thousands of real cells tuck their component parts.

    Most drawings of cells in textbooks come from human interpretations gleaned by...

    04/12/2017 - 07:00 Cells