Humans

  1. Genetics

    A Hong Kong man got the new coronavirus twice

    His is the first confirmed case of reinfection with this virus. His second bout was detected by accident, because he showed no symptoms.

    By Erin Garcia de Jesús
  2. Environment

    Dust can infect animals with flu, raising coronavirus concerns

    Dust particles kicked up from some virus-contaminated surface can become a source of new infections, rodent data show.

    By Erin Garcia de Jesús
  3. Archaeology

    Let’s learn about early humans

    Homo sapiens are the last member left of our genus. But many other species of early humans existed before us.

    By Bethany Brookshire
  4. Animals

    Viral scents? Dogs sniff out coronavirus in human sweat

    Researchers train dogs to sniff out COVID-19. In the United Arab Emirates, sniffer dogs have already begun identifying infected passengers at airports.

    By Sharon Oosthoek
  5. Archaeology

    Underground mega-monument found near Stonehenge

    Archaeologists used high-tech tools to uncover ancient underground pits near Stonehenge. The find may offer insights into Britain’s Stone Age culture.

    By Avery Elizabeth Hurt
  6. Archaeology

    Scientists Say: Archaeology

    People leave things where they’ve been — old buildings, trash heaps and human skeletons. Archaeology is the study of those left-behind things.

    By Bethany Brookshire
  7. Humans

    When it comes to downing hot dogs, science says there’s a limit

    Humans may be able to eat only 83 hot dogs in 10 minutes, new research suggests.

    By Jonathan Lambert
  8. Health & Medicine

    Coronavirus outbreak at camp infected more than 200 kids and staff

    Think kids don’t get COVID-19 and spread it? Think again. An outbreak at a Georgia summer camp left 260 people infected. The rate was highest in kids under 10.

    By Erin Garcia de Jesús
  9. Brain

    Can we taste fat? The brain thinks so

    Scientists had not considered fat a 'taste.' The brain begs to differ, new data show.

    By Bethany Brookshire
  10. Health & Medicine

    Explainer: What are Antibodies?

    Antibodies are one of the major players in the immune system’s attack against germs. Learn what they are, what they do and how they keep us healthy.

    By Avery Elizabeth Hurt
  11. Genetics

    New COVID-19 vaccines show promise in people

    Early data from human trials show that several candidate COVID-19 vaccines produce virus-inactivating antibodies and immune cells that fight the virus.

    By Tina Hesman Saey
  12. Health & Medicine

    Remdesivir is looking even better at fighting COVID-19

    New studies suggest the drug remdesivir not only speeds recovery of COVID-19 patients in the hospital, but lowers their risk of death from the virus.

    By Tina Hesman Saey