Life

  1. Environment

    Flower shape and size impact bees’ chances of catching gut parasites

    Bumblebees have higher chances of contracting a gut parasite from short, wide flowers than from blooms with other shapes, experiments show.

    By
  2. Health & Medicine

    The flowery scent of a Zika or dengue infection lures mosquitoes

    Mice and humans infected with dengue emit acetophenone, attracting bloodsucking mosquitoes that could then transmit the viruses to new hosts.

    By
  3. Plants

    This pitcher plant species sets its deathtraps underground

    Scientists didn’t expect the carnivorous, eggplant-shaped pitchers to be sturdy enough to survive below the surface.

    By
  4. Paleontology

    A newfound dinosaur had tiny arms before T. rex made them cool

    A predecessor to Tyrannosaurus rex, Meraxes gigas had a giant head and puny but muscular arms, suggesting the limbs served some purpose.

    By
  5. Animals

    Ed Yong’s ‘An Immense World’ reveals how animals perceive the world

    The book showcases the diverse sensory abilities of other animals and how their view of the world is different from our own.

    By
  6. Life

    Here’s how sea anemones launch their venomous stingers

    Starlet sea anemones use speedy projectiles to sting predators and prey. New images capture a detailed look at these weapons in action.

    By
  7. Health & Medicine

    How scientists are shifting their search for links between diet and dementia

    Studies of food’s impact on Alzheimer’s disease and dementia are hampered by complexity. Scientists hope new research approaches prove more fruitful.

    By
  8. Paleontology

    Feathers may have helped dinosaurs survive the Triassic mass extinction

    New data show that dinosaurs were able to weather freezing conditions about 202 million years ago, probably thanks to warm feathery coats.

    By
  9. Paleontology

    Megatooth sharks may have been higher on the food chain than any ocean animal ever

    Some megalodons and their ancestors were the ultimate apex predators, outeating all known marine animals, researchers report.

    By
  10. Animals

    50 years ago, eels’ navigation skills electrified scientists

    Excerpt from the June 24, 1972 issue of Science News

    By
  11. Environment

    Earth’s oldest known wildfires raged 430 million years ago

    430-million-year-old fossilized charcoal suggests atmospheric oxygen levels of at least 16 percent, the amount needed for fire to take hold and spread.

    By
  12. Microbes

    This giant bacterium is the largest one found yet

    On average, Thiomargarita magnifica measures 1 centimeter long and maxes out at 2 centimeters. It is 50 times larger than other giant bacteria.

    By