Humans

  1. Computing

    Computers mine online reviews for signs of food poisoning

    Health officials are getting help in identifying restaurant goers who got food poisoning by teaching computers to scout social-media posts for signs of illness.

    By Allie Wilkinson
  2. Psychology

    Analyze This: The power in being understanding of your flaws

    Expecting nothing but perfection from yourself can lead to depression. Forgiving yourself after mistakes can lower your risk of feeling bad, a new study finds.

    By Allie Wilkinson
  3. Environment

    Light at night lengthens how long birds can spread West Nile virus

    Light at night prolongs the time it takes these birds to knock out a West Nile infection. Mosquitoes that bite them during this time can pick up and spread their virus to others — even people.

    By Susan Milius
  4. Animals

    Compared to other primates, humans get little sleep

    Short bouts of a sleep, called REM, separate humans from other primates, scientists find. Sleeping on the ground may have a lot to do with it.

    By Bruce Bower
  5. Health & Medicine

    Scientists Say: Lactose

    You might not think of dairy products having sugar, but they do. Milk is rich in a sugar called lactose.

    By Bethany Brookshire
  6. Psychology

    Bullying alters ‘bugs’ in the gut, hamster data show

    A new study found that the microbes in a hamster’s gut changed in response to social stress.

    By Faith Rudebusch
  7. Health & Medicine

    Finding and helping teens for whom sadness is a disease

    Adolescents should soon be screened for depression at their yearly check-up with their doctor.

    By Alison Pearce Stevens
  8. Climate

    Analyze This: Climate change could make food less healthy

    Levels of important nutrients are lower in crops exposed to high levels of carbon dioxide, a greenhouse gas. How high? Try levels expected to be typical 30 years from now.

    By Allie Wilkinson
  9. Health & Medicine

    Woman’s eye hosts more than a dozen cattle eyeworms

    Oregon woman is the first human known to become infected with a cattle eyeworm known as Thelazia gulosa.

    By Aimee Cunningham
  10. Health & Medicine

    Sleep helps wounds heal faster

    Getting enough sleep may be more important for helping wounds heal than getting good nutrition, a new study finds.

    By Ilima Loomis
  11. Health & Medicine

    E-cigarettes don’t need nicotine to be toxic

    E-cigarettes without nicotine can still be toxic. New studies find the flavorings in e-cigarettes can harm cells of the human immune system.

    By Lindsey Konkel Neabore
  12. Tech

    Robots may soon actively crawl through your gut

    Doctors are working with engineers to develop robotic tools that can crawl through the body to deliver medicine or scout for signs of disease.

    By Eric Niiler
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