Priyanka Runwal

All Stories by Priyanka Runwal

  1. lawn wolf spider
    Animals

    Spider webs don’t rot easily and scientists may have figured out why

    Spider silk doesn’t rot quickly because bacteria can’t access its nitrogen, a nutrient needed for the microbes’ growth, scientists say.

  2. Piranha skull scan
    Life

    Piranhas and their plant-eating relatives, pacus, replace rows of teeth all at once

    Piranhas and pacus both lose and replace all teeth on one side of their mouths in one go, which may help to distribute wear and tear.

  3. burrowing owl
    Ecosystems

    Burrowing birds create pockets of rich plant life in a desert landscape

    Mounds of sand dug out by birds are hot spots for plants in Peru’s Atacama Desert, possibly providing a sheltered and moist area for seed germination.