Search Results for: Dolphins

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441 results
  1. Animals

    Polar bears sometimes bludgeon walruses to death with stones or ice

    Inuit reports of polar bears using tools to kill walruses were historically dismissed as stories, but new research suggests the behavior does occur.

  2. Climate

    How Kenyans help themselves and the planet by saving mangrove trees

    Communities in Kenya took action to restore their coastal mangrove forests, reaping economic and environmental benefits. Others are following suit.

  3. Animals

    Dolphins can learn from peers how to use shells as tools

    While most foraging skills are picked up from mom, some bottlenose dolphins seem to look to their peers to learn how to trap prey in shells.

  4. Animals

    Fire ants build little syphons out of sand to feed without drowning

    To escape a watery death, some fire ants use build sand structures that draw the insects’ sugary, liquid food out of containers and to a safer place.

  5. Animals

    Having more friends may help female giraffes live longer

    A more gregarious life, even while just munching shrubbery, might mean added support and less stress for female giraffes.

  6. Life

    Fluid dynamics may help drones capture a dolphin’s breath in midair

    High-speed footage of dolphin spray reveals that droplets blast upward at speeds approaching 100 kilometers per hour.

  7. Animals

    Female hyenas kill off cubs in their own clans

    Along with starvation and mauling by lions, infanticide leads as a cause of hyena cub death. Such killings may serve to enforce the social order.

  8. Animals

    Naked mole-rat colonies speak with unique dialects

    Machine learning reveals that these social rodents communicate with distinctive speech patterns that are culturally inherited.

  9. Life

    Losing genes may have helped whales’ ancestors adapt to life under the sea

    Jettisoning genes tied to saliva and the lungs, among others, could have smoothed ancient cetaceans’ land-to-water transition 50 million years ago.

  10. Paleontology

    This ichthyosaur died after devouring a creature nearly as long as itself

    Ichthyosaurs, marine reptiles generally thought to munch on soft prey like cephalopods, may have chowed down on fellow big marine reptiles, too.

  11. Health & Medicine

    Capturing the sense of touch could upgrade prosthetics and our digital lives

    Haptics researchers are working on ways to add touch to virtual reality, online shopping, telemedicine and advanced artificial limbs.

  12. Animals

    Parasitic worm populations are skyrocketing in some fish species used in sushi

    Fishes worldwide harbor 283 times the number of Anisakis worms as fishes in the 1970s. Whether that’s a sign of environmental decline or recovery is unclear.