Life

  1. Brain

    Teeny tiny hairs on brain cells could have big jobs

    Brain cells have tiny antennae called cilia. But no one really seemed to know what they did. Now, scientists have shown they could play a role in obesity.

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  2. Animals

    Killer whale blows a raspberry, says ‘hello’

    Orcas can mimic a range of sounds, including human speech — sort of.

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  3. Brain

    Scientists Say: Receptor

    This molecule is a chemical messenger’s docking station. A receptor serves as a lock for cell activity.

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  4. Brain

    Cool Jobs: Decoding how your brain ‘reads’

    For some stroke victims and people with dyslexia, reading is nearly impossible. These researchers are working to understand why.

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  5. Animals

    Tricky turns give prey a chance against lions and cheetahs

    A bonanza of running data on wild predators shows that a successful hunt requires more than sprinting.

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  6. Ecosystems

    Exploring the mysteries of Cuba’s coral reefs

    Researchers are studying the mysterious lives of creatures in and near Cuba’s coral reefs. What they learn could help protect ocean life globally.

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  7. Ecosystems

    Migrating crabs take their eggs to the sea

    Cuba’s colorful land crabs connect swamp and sea with their yearly mass migrations. Protecting their routes can help other animals too.

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  8. Health & Medicine

    Teens win big prizes for research on potato killer, vaping and a rare disease

    The Regeneron Science Talent Search awarded more than $2 million in prizes this year. This year’s top winners tackled plant disease, vaping and more.

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  9. Genetics

    Scientists recruit bloodsucking leeches as research assistants

    By analyzing a slimy, bloodsucking leech’s last meal, scientists can identify which animals had been living near it.

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  10. Genetics

    Explainer: DNA hunters

    Snippets of DNA can be left behind by a passing organism. Some researchers now act as wildlife detectives to identify the sources of such cast-off DNA.

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  11. Plants

    Venus flytraps tend not to eat their pollinators

    A first-ever study of what pollinates a Venus flytrap finds little overlap between the critters that serve as pollinators and those that are prey.

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  12. Health & Medicine

    Scientists Say: Ectoparasite

    Many people think of parasites as organisms that live inside their hosts. But some of them can be found on the outside instead.

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