Humans

  1. Health & Medicine

    Is your home chilly? This might just be healthy

    Feeling mildly cold (or a bit too warm) forces the body to adjust what it’s doing to maintain a healthy temperature. And that can do a body good, data now show.

    By Sharon Oosthoek
  2. Chemistry

    BPA-free plastic may host BPA-like chemical, teen finds

    Something has to replace the BPA in ‘BPA-free’ plastics. A teen has been probing what that is.

    By Bethany Brookshire
  3. Microbes

    Plant extract mutes germs to fight infections

    A plant extract prevents the aggressive behavior seen in some germs. Using it could fight the development of most bladder infections, a teen’s research suggests.

    By Sid Perkins
  4. Health & Medicine

    Adding ice to medics’ kits could help patients survive blood loss

    Placing an ice bag on the face should increase blood pressure — and oxygen to the brain — in people who have experienced life-threatening blood loss, a new study finds.

    By Meenakshi Prabhune
  5. Health & Medicine

    Cooking can alter a food’s vitamin C content

    Scurvy plagued pirates and sailors on the high seas. It also inspired a teen to find out more about the vitamin C in her veggies.

    By Bethany Brookshire
  6. Health & Medicine

    Are fidget spinners tools or toys?

    Fidget spinners are all the rage. Therapists say toys such as these can help some kids calm down and pay attention.

    By Kathryn Hulick
  7. Environment

    Tiny air pollutants inflame airways and harm heart

    New studies show how tiny bits of air pollution, called particulate matter, can lead to health problems ranging from chronic runny noses to heart disease.

    By Kathiann Kowalski
  8. Tech

    Needle-free blood typing may be on the way

    A teen in Kuwait presents data suggesting how, one day, it may be possible to figure out your blood type just by shining infrared light into your skin.

    By Sid Perkins
  9. Health & Medicine

    A light-filled box could blast bacteria from lab coats

    Doctors can pick up bacteria on their lab coats. A teen has designed a special light-filled box to keep those coats from infecting others with those germs.

    By Bethany Brookshire
  10. Chemistry

    Cool Jobs: Counting calories

    Do calories count? A nutrition label doesn’t tell the whole story. Meet three researchers working to shed light on the complex connections between food and health.

    By Kathryn Hulick
  11. Health & Medicine

    Explainer: All about the calorie

    Calories are a measure of how much energy is in a food. But when it comes to powering our bodies, not all calories are equally available to the body.

    By Kathryn Hulick
  12. Brain

    Analyze This: Sleep patterns vary widely across the world

    Data on four very different groups of people show that sleep patterns vary based on the local environment, the culture and daily schedules.

    By Lillian Steenblik Hwang
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