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7,074 results
  1. Animals

    This frog is the world’s smallest known vertebrate

    Neither fleas nor toads, Brazilian flea toads are almost flea-sized. These mini frogs are small enough to fit on a pinkie fingernail.

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  2. Questions for ‘This frog is the world’s smallest known vertebrate’

    Questions for ‘This frog is the world’s smallest known vertebrate’

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  3. Animals

    At last: How poison dart frogs ship defense toxins to their skin

    A liver protein appears to help the amphibians collect and move toxins from their food to their skin. Those toxins can defend the frogs from predators.

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  4. Environment

    Scientists Say: Carbon capture

    Carbon capture technology tackles climate change by stomping out carbon dioxide at the source.

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  5. Brain

    Handwriting may boost brain connections that aid memory

    Writing with a pen — but not typing — boosted links between regions used for motion and memory. That may help explain why writing fosters learning.

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  6. Health & Medicine

    9 things to know about lead’s health risks — and how to curb them

    Lead has been linked to lower IQ, behavior problems, mental-health disorders, strokes and more health impacts. There are ways to reduce your exposure.

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  7. Questions for ‘Health problems persist in Flint 10 years after water poisoning’ 

    Questions for ‘Health problems persist in Flint 10 years after water poisoning’

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  8. Science & Society

    Community action helps people cope with Flint’s water woes

    Activism, social media and public education are helping residents in the aftermath of the water crisis in Flint, Mich.

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  9. Health & Medicine

    Health problems persist in Flint 10 years after water poisoning

    Flint, Mich., residents still show health impacts long after a switch in their drinking-water source exposed them to toxic lead and other pollutants.

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  10. Animals

    Experiment: Are we there yet? Test how migratory birds navigate

    In this experiment, use real data to figure out how migratory birds navigate from their breeding grounds to their wintering grounds.

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  11. Microbes

    Let’s learn about useful bacteria

    Bacteria do many useful jobs almost everywhere on Earth, from the soil to the seafloor to our stomachs.

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  12. Health & Medicine

    Family, friends and community inspired these high school scientists

    When looking for research ideas, listen to the people around you. What problems are they facing? What could you do to help?

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