Uncategorized

  1. Humans

    Only a tiny fraction of our DNA is uniquely human

    Some of the exclusively human tweaks to DNA may have played a role in brain evolution.

    By Tina Hesman Saey
  2. Planetary Science

    Lakes of liquid water at Mars’ southern ice cap may just be mirages

    In 2018, scientists found evidence for water lakes sitting beneath the southern Martian ice cap. New evidence suggests the lakes might not exist.

    By Adam Mann
  3. Health & Medicine

    Human cells make a soaplike substance that busts up bacteria

    Nonimmune cells can fight off pathogens by releasing a detergent-like molecule that dissolves bacterial membranes.

    By Jonathan Lambert
  4. Science & Society

    What 20th century science fiction got right and wrong about the future of babies

    A century of science has pushed the boundaries of human reproduction even beyond writers’ imaginations.