Search Results for: Vertebrates

Open the calendar Use the arrow keys to select a date

Can’t find what you’re looking for? Visit our FAQ page.

1,497 results
  1. Animals

    The Brazilian flea toad may be the world’s smallest vertebrate

    Brazilian flea toads are neither a flea nor a toad, but they are almost flea-sized. The frogs are small enough to fit on a pinkie fingernail.

    By
  2. Neuroscience

    Ancient viruses helped speedy nerves evolve

    A retrovirus embedded in the DNA of some vertebrates helps turn on production of a protein needed to insulate nerve cells, aiding speedy thoughts.

    By
  3. Life

    Megalodon, the largest shark ever, may have been a long, slender giant

    The ancient shark is typically imagined with the scaled-up stout frame of a modern great white. But in life, the giant may have been more elongated.

    By
  4. Paleontology

    The oldest known fossilized skin shows how life adapted to land

    The nearly 290 million-year-old cast belonged to a species of amniotes, four-legged vertebrates that today comprises all reptiles, birds and mammals.

    By
  5. Science & Society

    Humans exploit about one-third of wild vertebrate species

    An analysis of nearly 47,000 vertebrate animal species reveals that using them for food, medicine or the pet trade is helping push some toward extinction.

    By
  6. Health & Medicine

    Newly identified stem cells can lure breast cancer to the spine

    A new type of stem cell discovered in mice and humans might explain why cancer that spreads to other body parts preferentially targets the spine.

    By
  7. Health & Medicine

    50 years ago, scientists suspected that lost sense of smell could be restored

    Cells responsible for humans’ sense of smell can regenerate. Now, research spurred on by the pandemic could help answer questions about the process.

    By
  8. Paleontology

    Dinosaur feathers may have been more birdlike than previously thought

    Feather proteins can change during fossilization, raising questions about what dinosaur feathers really can tell us about feather evolution.

    By
  9. Animals

    Static electricity can pull ticks on to their hosts

    Ticks brought near objects with a static charge frequently get pulled to those surfaces, a new study finds, suggesting one way the bugs find hosts.

    By
  10. Genetics

    A genetic parasite may explain why humans and other apes lack tails

    Around 25 million years ago, a stretch of DNA inserted itself into an ancestral ape’s genome, an event that might have taken our tails away.

    By
  11. Paleontology

    Newfound bat skeletons are the oldest on record

    The newly identified species Icaronycteris gunnelli lived about 52.5 million years ago in what is now Wyoming and looked a lot like modern bats.

    By
  12. Paleontology

    Newfound fossil species of lamprey were flesh eaters

    In China, paleontologists have unearthed fossils of two surprisingly large lamprey species from the Jurassic Period.

    By