Uncategorized

  1. Health & Medicine

    Hepatitis C discoveries win 2020 Nobel Prize in physiology or medicine

    The 2020 medicine Nobel recognizes work that found that a novel virus was to blame for chronic hepatitis and led to a test to screen blood donations.

    By Tina Hesman Saey
  2. 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
  3. 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.