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E.g., 09/20/2017
E.g., 09/20/2017
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Your search has returned 4606 articles:
  • News

    This newfound hermit crab finds shelter in corals, not shells

    A new species of hermit crab discovered in the shallow waters of southern Japan has been enjoying the perks of living like a peanut worm. Like the worms, the 7- to 8-millimeter-long hermit crab uses corals as a covering, researchers report September 20 in PLOS ONE.

    Other kinds of hermit crabs live in coral reefs, but typically move in and out of a series of mollusk shells as the crabs...

    09/20/2017 - 14:57 Animals, Ecology
  • Editor's Note

    Nature offers inspiration, and occasionally courage

    When Donald Griffin and Robert Galambos first reported that bats use the ricocheting echoes of sound waves to pilot through the environment, some scientists doubted it was possible. The team’s experiments, conducted in the late 1930s at Harvard University and reported in the early 1940s, coincided with World War II and the proliferation of active sonar systems for use on ships and submarines...

    09/20/2017 - 12:47 Technology, Animals, Humans & Society
  • Feature

    Bat brain signals illuminate navigation in the dark

    Ninad Kothari’s workplace looks like something out of a sci-fi film. The graduate student at Johns Hopkins University works in a darkened, red-lit room, where he trains bats to fly through obstacle courses. Shielding within the walls keeps radio and other human-made signals from interfering with transmissions from the tiny electrical signals he’s recording from the bats’ brains as the animals...

    09/20/2017 - 12:30 Animals, Neuroscience
  • Feature

    How bats could help tomato farmers (and the U.S. Navy)

    Bats, with their superb ability to echolocate, are inspiring advanced technologies — from better Navy sonar to gadgets that might deliver packages or help farmers manage crops. And engineers aren’t waiting for neuroscientists to work out every detail of how the bats’ brains manage the task.

    “We think we have enough information to be useful to us, to develop a bio-inspired sensor,” says...

    09/20/2017 - 12:30 Animals
  • Science Ticker

    Old barn owls aren’t hard of hearing

    Barn owl ears age well. Unlike other animals, the birds don’t suffer from hearing loss as a hallmark of aging, a new study suggests.

    Beyond people, age-related hearing loss has been documented in mice, gerbils and chinchillas. Those deficits are linked to deterioration of the tiny hair cells that line the sensory layer of the eardrum. But some evidence hints that birds may not suffer...

    09/19/2017 - 19:05 Animals
  • News

    Now we know how much glacial melting ‘watermelon snow’ can cause

    Microbes are pushing glacial snow into the red.

    An algae species that grows on glaciers gives the snow a crimson hue, which increases the amount of sunlight that the snow soaks up and makes it melt faster, new measurements confirm. On Alaska’s Harding Icefield, these microbes are responsible for about a sixth of the snowmelt in algae-tinged areas, researchers report September 18 in...

    09/18/2017 - 17:03 Microbes, Climate
  • Rethink

    3-D scans of fossils suggest new fish family tree

    When it comes to some oddball fish, looks can be deceiving.

    Polypterus, today found only in Africa, and its close kin have generally been considered some of the most primitive ray-finned fishes alive, thanks in part to skeletal features that resemble those on some ancient fish. Now a new analysis of fish fossils of an early polypterid relative called Fukangichthys unearthed in China...

    09/18/2017 - 14:17 Animals, Evolution, Paleontology
  • News

    Animal goo inspires better glue

    Finding a great glue is a sticky task — especially if you want it to attach to something as slick as the inside of the human body. Even the strongest human-made adhesives don’t work well on wet surfaces like tissues and organs. For surgeons closing internal incisions, that’s more than an annoyance. The right glue could hold wounds together as effectively as stitches and staples with less...

    09/15/2017 - 12:00 Animals, Materials, Biomedicine
  • News

    A researcher reveals the shocking truth about electric eels

    View the video

    Kenneth Catania knows just how much it hurts to be zapped by an electric eel. For the first time, the biologist at Vanderbilt University in Nashville has measured the strength of a defensive electrical attack on a real-life potential predator — himself.

    Catania placed his arm in a tank with a 40-centimeter-long electric eel (relatively small as eels go) and...

    09/14/2017 - 14:14 Animals, Neuroscience
  • News

    Like sea stars, ancient echinoderms nibbled with tiny tube feet

    Sea stars and their relatives eat, breathe and scuttle around the seafloor with tiny tube feet. Now researchers have gotten their first-ever look at similar tentacle-like structures in an extinct group of these echinoderms.

    It was suspected that the ancient marine invertebrates, called edrioasteroids, had tube feet. But a set of unusually well-preserved fossils from around 430 million...

    09/12/2017 - 19:05 Paleontology, Animals