Search Results for: Vertebrates

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1,545 results

1,545 results for: Vertebrates

  1. Animals

    Robot fish shows how the deepest vertebrate in the sea takes the pressure

    Tests with a robot snailfish reveal why the deep-sea fish has mysterious goo in its body.

    By Susan Milius
  2. Animals

    Specialized protein helps these ground squirrels resist the cold

    A less active cold-sensing protein explains, in part, why some hibernating ground squirrels are more tolerant of chilly conditions than the animals’ nonhibernating kin.

    By Laurel Hamers
  3. Animals

    In marine mammals’ battle of the sexes, vaginal folds can make the difference

    Patricia Brennan and colleagues found certain female ocean mammals have vaginal folds that give them an advantage in mating

    By Lesley Evans Ogden
  4. Animals

    This ancient marsupial lion had an early version of ‘bolt-cutter’ teeth

    Extinct dog-sized predator crunched with unusual slicers toward the back of its jaw.

    By Susan Milius
  5. Paleontology

    This new dinosaur species was one odd duck

    Weird dino swimmer had flipperlike limbs and a swanlike neck.

    By Carolyn Gramling
  6. Animals

    Jackpot of fossilized pterosaur eggs unearthed in China

    A treasure trove of pterosaur eggs and embryos gives tantalizing clues to the winged reptile’s early development.

    By Carolyn Gramling
  7. Animals

    Most blue whales are ‘righties,’ except for this one move

    Though many blue whales tend to be “right-handed” when hunting for krill, one specific barrel roll move requires a lefty twist.

    By Mariah Quintanilla
  8. Animals

    Scary as they are, few vampires have a backbone

    Researchers speculate on why there are so few vampires among vertebrates.

    By Susan Milius
  9. Animals

    This sea slug makes its prey do half the food catching

    Nudibranchs’ stolen meals blur classic predator-prey levels.

    By Susan Milius
  10. Paleontology

    T. rex’s silly-looking arms were built for slashing

    Tyrannosaurus rex may have used its small arms for slashing prey.

    By Carolyn Gramling
  11. Life

    Defining ‘species’ is a fuzzy art

    Here's why scientists still don't agree on what a species is.

    By Susan Milius
  12. Animals

    Being a vampire can be brutal. Here’s how bloodsuckers get by.

    Blood-sucking animals have specialized physiology and other tools to live on a diet rich in protein and lacking in some nutrients.

    By Susan Milius