Ecosystems: Interactions, Energy, and Dynamics

  1. Animals

    Trees: Koala air conditioning

    When koalas sprawl over a tree branch, they may not be lazy. They just might be taking advantage of some natural cooling — enough to survive a heat wave.

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  2. Science stars are on display at the White House

    One hundred students from 30 states participated in the fourth annual White House Science Fair in Washington, D.C.

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  3. Plants

    Taking a long look at lichen

    Lichens may not look like much, but they play a vital role in our ecosystems. ISEF finalist Madeline Handley decided learn more about the lichens in her native Alaska.

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  4. Animals

    Mosquitoes, be gone!

    An extract of local seeds in Puerto Rico may be the key to keeping mosquitoes away. It kills the larval insects and repels the biting adults.

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  5. High school student studies slime mold smarts

    Are slime molds “smart,” and what does that mean? Hannah McShea ran experiments to find out more about how slime molds behave and what it means for intelligence.

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  6. Microbes

    Convincing bacteria they’re alone

    Caffeine may be the trick to confusing some bacteria into thinking they’ve not yet summoned enough troops to launch a successful attack on their host. It could prove an alternative to antibiotics for certain infections.

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  7. Animals

    Mite-y discoveries!

    Two teens from Russia discovered tiny mites living inside grass-like plants called rushes. Three of the species they turned up are new to science.

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  8. Health & Medicine

    Beautiful nails may harbor germs

    Two students wondered why they weren’t allowed to wear fake nails as nursing assistants. They decided to use science to probe why. What they found sent them to the Intel International Science and Engineering Fair.

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  9. Animals

    Electronics may confuse a bird’s ‘compass’

    Birds use Earth’s magnetic field to help guide them as they migrate. A new study suggests that electromagnetic radiation given off by some electronic devices may act like “noise” and confuse the long-traveling birds.

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  10. Animals

    Even penguins get the flu

    Scientists have just identified ‘live’ bird flu virus in Antarctic penguins. But the infections may not be novel. There are some signs these germs have been infecting local wildlife for up to 80 years.

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  11. Slime: A new way to protect plants from slugs

    Katie Gwaltney had a slug problem in her garden. She decided to try using the slugs’ own slime against them. Her findings earned the high school freshman a finalist’s spot at this week's Intel International Science and Engineering Fair.

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  12. Animals

    Surprise! Fossils in a flash

    By studying how dead tissues decay — or turn to ‘instant’ fossils — scientists are gleaning helpful clues to what ancient life looked like.

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