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Your search has returned 234 articles:
  • Mice can teach us about human disease

    Zorana Berberovic gently lifts a small black mouse by its tail. As its hind legs rise up off the floor of its cage, the research technician slips a tiny vial under the mouse’s bottom. Berberovic lightly strokes her gloved finger against its belly. Within seconds, she is rewarded. A dribble of pee enters the vial."They have small bladders so there's not much," Berberovic says. Luckily, she adds, "...
    07:01 AM, February 27, 2015 Body & Health
  • Cats and foxes are eating up Australia’s mammals

    People first settled Australia some 40,000 to 50,000 years ago. Then, in 1788, England established a colony there. These European settlers spread widely. In time, they created the nation of Australia. The European immigration also led to a little-noticed wave in extinctions of Australian mammals. That’s the finding of a new study. One main cause of those extinctions appears to be the introduction...
    07:00 AM, February 24, 2015 Animals, Environment & Pollution
  • When a part makes you whole

    SAN JOSE, Calif. — A creative combination of technologies is offering hope to people disfigured by an accident, disease or birth defect. The end result is an artificial body part that is startlingly lifelike. The anatomical add-on can do more than provide a patient with a more natural-looking appearance. It also can restore a person’s self-esteem and confidence.Many injuries or diseases can...
    12:00 PM, February 16, 2015 Body & Health, Technology & Engineering
  • 'Smart’ windows could save energy

    Sunlight streaming through a window can really heat up a room. In winter, when heating bills can soar, people tend to welcome that extra warmth. But in summer, that heat just boosts cooling costs. A homeowner could keep out some of that warming light by drawing the curtains or lowering the blinds. Or the window could change its transparency — blocking out some light, as needed — all by itself....
    07:00 AM, February 12, 2015 Light & Radiation, Technology & Engineering
  • Plants “listen” for danger

    Check out this video to learn how researchers determined that plants “hear” and respond to insect pests.It’s hard to tell if plants grow faster with classic rock or prefer Haydn to hip hop. But what is clear: Plants can “hear” their predators. Tiny mustard plants react to the sounds of leaf-munching caterpillars by making defense chemicals. And a new study shows that this makes the foliage a...
    09:00 AM, September 3, 2014 Technology & Engineering, Plants
  • Eureka! Lab

    Cookie Science 4: Cookie ethics

    A scientific experiment can be as close as your kitchen. But when doing science that will involve people, you’ll need to be careful about how you test your tasty creations in ways that protect those volunteers.Welcome back to Cookie Science! In a series of blog posts, I am demonstrating how to design an experiment and carry it out. We’ll go over how to collect and analyze data and much more. My...
    09:00 AM, September 2, 2014
  • Saving the banana

    Meet the world’s most popular fruit. Snack-size, portable and each with its own wrapper — it’s the banana! Diners consume billions each year throughout the world. Americans eat more bananas than apples and oranges combined. And in banana-producing countries, more than 400 million people rely on bananas in order to survive.The big, bright-yellow banana most commonly found in American and European...
    08:53 AM, August 28, 2014 Plants, Microbes, Fungi & Algae, Agriculture
  • Germs explain some animal behaviors

    The way hyenas smell is no laughing matter. Kevin Theis has been known to empty a laboratory of fellow scientists just by opening a bottle of what he calls “hyena butter.”Hyenas secrete the pasty substance from a pouch tucked under their tails. This so-called butter is seriously stinky. It’s also crucial to how these African mammals communicate, explains Theis. An ecologist, he studies animal...
    09:14 AM, August 19, 2014 Animals, Microbes, Fungi & Algae
  • Questions for Germs explain some animal behaviors

    SCIENCEBefore reading1.    Describe three ways that non-human animals might communicate with each other.2.    People have lots to say to each other. What might one animal want to communicate to another? Describe three things an animal might want to tell another member of its own or a different species.During reading1.    What is “hyena butter”?2.    What produces the odor in a hyena’s paste?3...
    09:14 AM, August 19, 2014 Classroom Questions
  • Wind farms: Restaurants for seals?

    In many places around the world, modern windmills harness the power of the wind for energy. These wind turbines can be found even offshore, along the coasts of Europe and Asia. Mussels, crabs and other aquatic life treat the underwater parts of those turbines as artificial reefs. And they, in turn, are drawing in something even bigger. A handful of harbor seals have been spotted hunting at wind...
    09:08 AM, August 18, 2014 Animals, Environment & Pollution

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