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  • News in Brief

    Triclosan aids nasal invasions by staph

    Sneezing out antimicrobial snot may sound like a superpower, but it actually could be a handicap.Triclosan, an omnipresent antimicrobial compound found in products ranging from soaps and toothpaste to medical equipment, is already known to show up in people’s urine, serum and breast milk. It seeps in through ingestion or skin exposure. Now, researchers have found that it gets into snot, too. And...
    04/15/2014 - 14:46 Health, Microbes, Toxicology
  • Science Ticker

    Modern hunter-gatherers' guts host distinct microbes

    Tanzania’s Hadza hunter-gatherers have guts teeming with bacteria much more diverse than what's found in Italians' intestines. But the foragers don't have Bifidobacterium, which is considered healthy, and do have more Treponema and other microbes that signal disease in Western populations. Hadza men and women even have major differences in their gut microbes.These differences...
    04/15/2014 - 12:27 Genetics
  • News

    IPCC calls for swift switch to alternative power

    The best scenario for slowing global warming by 2100 requires the world to triple or quadruple by 2050 its use of renewable energy and sources of energy that emit only low amounts of greenhouse gases.The recommendation comes from the Intergovernmental Panel on Climate Change in its third and final report of its fifth...
    04/13/2014 - 19:49 Climate
  • Gory Details

    How urine will get us to Mars

    Every day, you flush a liter or two of urine down the toilet. Unless you live in one of the dry places considering toilet-to-tap systems, you probably never consider drinking it.But if humans are ever going to get to Mars, we’re going to get there drinking our own pee. Now scientists have built a...
    04/11/2014 - 16:38 Chemistry
  • Wild Things

    Lionfish grow wary after culling

    The beauty of the lionfish, with its striking stripes and decorative fins, has made the members of the genus Pterois popular for aquariums. That popularity may have led to two species of the fish (P. volitans and P. miles) to make their way into the Atlantic, where they’ve become troublesome invasive...
    04/11/2014 - 11:30 Animals, Conservation
  • Wild Things

    Small sperm whale species share a diet

    Herman Melville may have made the sperm whale (Physeter macrocephalus) famous with Moby Dick, but there are other good reasons why you may not be familiar with the huge predator’s smaller cousins, the pygmy and dwarf sperm whales (...
    04/09/2014 - 12:30 Animals
  • It's Alive

    See-through shrimp flex invisible muscle

    Much of the body of a Pederson’s transparent shrimp looks like watery nothing, but it’s a superhero sort of nothing. The shrimp is transparent enough to read through, but it’s not some frail, filmy thing. It’s packed with invisible muscle.Searching for Ancylomenes pedersoni shrimp has a touch of the summer-camp prank about it, being a hunt for something that’s mostly invisible. On a...
    04/08/2014 - 11:02 Animals
  • Growth Curve

    If your kid hates broccoli, try, try again

    Baby V really likes to eat. A lot. Ever since she got her first taste of avocado at around 4 months old, the girl has not turned a single snack down. Sardines. Pickles. Plain Greek yogurt. Luckily for me, she eats it all with gusto.Until this week. For some mysterious reason, Baby V started to refuse her scrambled eggs. She simply won’t touch them. (OK, that’s not exactly true: She loves ...
    04/07/2014 - 17:52 Human Development
  • Firsts

    Ancient crustacean had elaborate heart

    The early ancestors of insects, centipedes and crustaceans had big hearts.A fossil from 520 million years ago shows that the now-extinct Fuxianhuia protensa had a broad spindly heart that extended into a complex system of arteries, which sent blood to the creature’s limbs and organs, including its brain, eyes and antennae. The new 7.6-centimeter-long fossil from Kunming, in southwest...
    04/07/2014 - 16:00 Paleontology
  • Feature

    Whooping cough bounces back

    Whooping cough has turned up in North America after decades of near absence, and we have only ourselves to blame.In the last several years, the highly contagious microbe that causes whooping cough has spawned a string of outbreaks, adeptly piercing the shield of vaccination that once afforded solid protection against it. The last time whooping cough was this pervasive in the United States, Dwight...
    04/04/2014 - 14:00 Health, Clinical Trials