From Molecules to Organisms: Structures and Processes

  1. Environment

    Sea life may suffer as plastic bits alter metals in water

    This interplay between plastics and metals could affect how each affects the environment — and suggests opportunities for controlling their risks.

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  2. Animals

    Let’s learn about frogs

    Frogs are a fascinating bunch of amphibians. Unfortunately, they’re also dying off in huge numbers.

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  3. These lemurs take nose-picking to a new level

    A nose-picking aye-aye’s spindly middle digit probably pokes all the way into the back of the throat, CT scans show.

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  4. Agriculture

    Native Amazonians make rich soils — and ancient people may have too

    Modern Amazonians make nutrient-rich soil from ash, food scraps and burns. The soil strongly resembles ancient “dark earth” found in the region.

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  5. Health & Medicine

    Scientists Say: Kidney

    The kidneys remove waste and excess water from the blood, forming urine.

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  6. Animals

    When it’s hot, echidnas blow snot bubbles to cool off

    These spiky Australian mammals have a trick to moisten their noses, allowing them to survive hot temperatures that should kill them.

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  7. Brain

    Scientists Say: Anxiety

    Some nervousness, or anxiety, is normal. Too much can be harmful.

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  8. Health & Medicine

    New brain scans may show if a concussion has not yet healed

    Concussions change certain brain waves, and delta waves may be the best signs of when teens can return to competitive sports.

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  9. Materials Science

    Analyze This: Algae behind blue-glowing waves light up a new device

    Some algae glow blue when they experience forces. Held in transparent plastic, they now make devices light up in response to gentle pushes and tugs.

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  10. Microbes

    Bacteria give some cheeses their distinct flavors

    Linking types of bacteria to specific flavors could help cheesemakers tweak their products — or even develop new cheese flavor.

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  11. Animals

    How can Baby Yoda be 50 years old?

    Animals with wings, big bodies or other protections from predators are more likely to evolve long lifespans.

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  12. Chemistry

    Scientists Say: Rubisco

    Rubisco is a key protein in the process of photosynthesis, which feeds plants — and, in turn, us.

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