Uncategorized

  1. Paleontology

    Cannibalism in the womb may have helped megalodon sharks become giants

    The ancient sea terror Otodus megalodon may have grown to at least 14 meters long thanks to a firstborn pup’s predatory behavior, some researchers say.

    By Carolyn Gramling
  2. Health & Medicine

    What does COVID-19 vaccine efficacy mean?

    The initial goal for a vaccine against COVID-19 is to reduce cases of the disease by at least 50 percent in those vaccinated versus those not.

    By Aimee Cunningham

  3. Readers ask about exoplanets, spider silk and water beetles

    By Science News Staff

  4. Seeing a bright future for science in these innovators

    Editor in chief Nancy Shute writes about the process of finding and profiling the scientists who make up the SN10.