Life

  1. lion yawning
    Life

    Yawning helps lions synchronize their groups’ movements

    A lion yawn is contagious, and when lions start yawning together, they start moving together. Synchronization may be key for group hunters like lions.

    By
  2. tropical rainforest in Colombia
    Paleontology

    The dinosaur-killing asteroid impact radically altered Earth’s tropical forests

    The asteroid impact fundamentally reset the nature of Earth’s tropical rainforests, decreasing diversity at first and making them permanently darker.

    By
  3. male fairy wrasse fish
    Life

    Flamboyant fishes evolved an explosion of color as seas rose and fell

    Fluctuations in sea level due to cycling ice ages may have powered an engine in tropical seas that pumped out gaudy fish species.

    By
  4. microscopic image of several xenobots
    Health & Medicine

    Frog skin cells turned themselves into living machines

    The “xenobots” can swim, navigate tubes, move particles into piles and even heal themselves after injury, a new study reports.

    By
  5. a cat with a bird in its mouth
    Life

    These are the 5 costliest invasive species, causing billions in damages

    Invasive species have cost the global economy at least $1 trillion since 1970 and $162.7 billion in 2017 alone. The annual cost is increasing.

    By
  6. piles of grasshoppers on a sidewalk
    Animals

    Weather radar shows 30 metric tons of grasshoppers swarmed Las Vegas one night

    Everything’s glitzier in Las Vegas. The most intensely lit U.S. city shows the impact of artificial light on insects on a megascale.

    By
  7. a collage of deep sea fish larvae
    Animals

    Dazzling underwater photos capture new views and scientific detail of fish larvae

    Lab specimens of fish larvae are often mangled and bleached. Divers and researchers have partnered to study their rich colors and intricate bodies.

    By
  8. urchin barren
    Ecosystems

    How kelp forests off California are responding to an urchin takeover

    A pair of studies reports 95 percent loss of kelp forests along the northern coast while sea otters are helping maintain surviving kelp farther south.

    By
  9. two bald eagles in a tree
    Animals

    A toxin behind mysterious eagle die-offs may have finally been found

    A 20-year study of water weeds and cyanobacteria in the southern United States pinpoints a bird-killing toxin, and it's not your usual suspect.

    By
  10. a stream with mountains in the background
    Ecosystems

    Simple hand-built structures can help streams survive wildfires and drought

    Building simple structures with sticks and stones — and inviting in dam-building beavers — can keep water where it’s needed to fight drought and wildfires.

    By
  11. rabbit standing on front paws
    Animals

    A gene defect may make rabbits do handstands instead of hop

    Mutations in a gene typically found throughout the nervous system rob rabbits of their ability to hop. Instead, the animals walk on their front paws.

    By
  12. whitefly
    Life

    A plant gene may have helped whiteflies become a major pest

    An agricultural pest may owe part of its success to a plant detox gene it acquired long ago that lets the insect neutralize common defenses.

    By