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E.g., 04/25/2014
E.g., 04/25/2014
Your search has returned 186 articles:
  • Wily bacteria create ‘zombie’ plants

    Here’s a case where the little guys win big. Some plant-infecting bacteria convert their host’s flowers into leaflike structures. Those leaves attract hungry sap-sucking insects that spread the bacteria. And the infected plant? Unable to make flowers, it cannot reproduce. It becomes a ‘zombie,’ living only to sustain its masters.Those bacteria are parasites. They live off of another species — the...
    08:16 AM, April 23, 2014 Plants, Microbes, Fungi & Algae
  • A success for designer life

    We already customize everything from cars to computers. This makes them look and behave how we want them to. Scientists now are finding ways to custom-build microbes, too. These miniature life forms might one day be tweaked and tailored to produce food, fuel or life-saving drugs.That effort just took a big step forward. Researchers report they have just built a synthetic yeast chromosome....
    09:14 AM, April 15, 2014 Microbes, Fungi & Algae
  • Eureka! Lab

    NOAA takes the Internet on a deep-sea tour

    The sea floor can sometimes seem like a fantastic alien landscape. Brain shaped coral, strangely-shaped animals and shipwrecks loom up out of the gloom. But in addition to its lovely, otherworldly quality, the sea offers a great opportunity to educate students about well-out-of-view habitats.Starting tomorrow, anyone with an Internet connection can get a free ticket to the bottom of the sea. The...
    15:31 PM, April 11, 2014
  • When a species can’t stand the heat

    Earth’s warming threatens to tilt populations of an unusual reptile so dramatically that the species’ long-term survival could be put in peril. The change could leave the species, a survivor from the age of the dinosaurs, without enough females to avoid extinction.The tuatara (TOO ah TAAR ah) is about the size of a squirrel. A crest of floppy white spikes runs down its back. Although it resembles...
    07:52 AM, April 9, 2014 Animals, Weather & Climate
  • Explainer: How invasive species ratted out the tuatara

    Today’s tuatara — a lizard-like reptile found only in New Zealand — face a major threat: the elimination of all females. Contributing to this threat is a climate that may be warming too fast for this species (Sphenodon punctatus) to adapt. But this is just the latest in a string of dangers the tuatara (TOO ah TAAR ah) have encountered. Indeed, their species has already survived an earlier risk of...
    07:51 AM, April 9, 2014 Animals, Ancient Times
  • Kangaroos have ‘green’ farts

    Nearly all animals burp and fart. Kangaroos, however, are special. The gas they pass is easy on the planet. Some might even call it “green” because it contains less methane than emissions from other grass grazers, such as cows and goats. Scientists now credit the ‘roos low-methane toots to the bacteria living inside their digestive tracts.These researchers hope their new finding could lead to...
    09:11 AM, April 2, 2014 Animals, Weather & Climate
  • Lobster’s ancient ‘cousin’ was gentle giant

    View the videoSome of the largest early animals may have used spiny limbs to filter their food, not spike it. That certainly appears true for a 70-centimeter (2.3-foot) long distant relative of the lobster. It swam the seas roughly 520 million years ago, during what is known as the Cambrian period. Along the way, it used those limbs to net small animals for its breakfast, lunch and dinner....
    09:21 AM, March 31, 2014 Dinosaurs & Fossils
  • Some of chocolate’s health benefits may trace to ‘bugs’

    Research has shown that dark chocolate can be good for the heart and more. Now scientists report evidence that chocolate might not be acting alone. In some cases, it may get help from bacteria hanging out in your gut. Those bacteria can break down certain compounds in the chocolate. And it’s those smaller molecules that can relax blood vessels to help the heart, a Louisiana team reported March 19...
    09:48 AM, March 21, 2014 Food & Nutrition, Microbes, Fungi & Algae
  • Eureka! Lab

    Intel STS finalist brings earthworms to the big time

    WASHINGTON — Anne Merrill, 17, has always liked earthworms. “When I was a little kid,” she explains, “I was always stuffing worms in my pockets. My mom learned to be very careful washing my clothes.” Now, the senior at Greenwich High School in Connecticut is taking worm research to the big time at the Intel Science Talent Search.Her youthful love of worms has grown into a passion for...
    18:47 PM, March 7, 2014
  • Reviving dinosaurs

    Dinosaurs have been extinct for more than 65 million years. That’s long before any humans were around to observe their behaviors. Yet these ancient creatures live, breathe and rampage across the screen in movies like Jurassic Park and TV series like BBC’s Primeval. But unlike in your parents’ day, these dinos aren’t depicted cartoonishly. They’re portrayed realistically, informed by science.First...
    11:36 AM, March 4, 2014 Dinosaurs & Fossils

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