Life

  1. tadpole
    Health & Medicine

    Algae inside blood vessels could act as oxygen factories

    Two types of light-responsive algae make oxygen inside tadpoles’ blood vessels.

    By
  2. aye-aye
    Life

    Aye-ayes just got weirder with the discovery of a tiny, sixth ‘finger’

    Aye-ayes have a sixth “finger,” or pseudothumb, that may compensate for other, overspecialized fingers by helping the lemurs grip things.

    By
  3. nerve cell illustration
    Neuroscience

    Light from outside the brain can turn on nerve cells in monkey brains

    An extra-sensitive light-responsive molecule allowed nerve cells to be switched on or off with dim light.

    By
  4. amyloid-beta protein
    Neuroscience

    Alzheimer’s may scramble metabolism’s connection to sleep

    Mice designed to have brain changes that mimic Alzheimer’s disease have altered reactions to blood sugar changes.

    By
  5. white bellbird
    Animals

    White bellbirds have the loudest known mating call of any bird

    White bellbirds have the loudest mating call, according to scientists who compared the songs of bellbirds and screaming pihas in the Brazilian Amazon.

    By
  6. turtle embryo
    Life

    A peek inside a turtle embryo wins the Nikon Small World photography contest

    The annual competition highlights the wonders to be found when scientists and photographers zoom in on the world around us.

    By
  7. woman holding dog
    Animals

    New books explore why dogs and humans have such a special bond

    ‘Dog Is Love’ and ‘Our Dogs, Ourselves’ delve into the complicated, sometimes contradictory relationship that we have with our canine companions.

    By
  8. Health & Medicine

    These tiny aquatic animals secrete a compound that may help fight snail fever

    A newly identified molecule from rotifers paralyzes the larvae of worms that cause schistosomiasis, which affects over 200 million people worldwide.

    By
  9. choanoflagellates
    Life

    Acrobatic choanoflagellates could help explain how multicellularity evolved

    A newfound single-celled microbe species forms groups of multiple individual organisms that change shape in response to light.

    By
  10. Diplodocus dino head
    Paleontology

    Big dinosaurs kept cool thanks to blood vessel clusters in their heads

    Giant dinosaurs evolved several strategies for cooling their blood and avoiding heatstroke.

    By
  11. Cerebral organoids made of human cells (left) or chimpanzee cells (right)
    Neuroscience

    Organoids offer clues to how brains are made in humans and chimpanzees

    Three-dimensional clumps of brain cells offer clues about how brains get made in humans and chimpanzees.

    By
  12. cancer cells illustration
    Health & Medicine

    A precision drug for prostate cancer may slow the disease’s spread

    The drug olaparib could be used to treat men with certain genetic mutations and severe types of prostate cancer, a clinical trial finds.

    By