Health & Medicine

  1. Health & Medicine

    One key change may have helped the coronavirus become a global menace

    One key mutation may have helped the virus behind COVID-19 better infect human cells.

    By Erin Garcia de Jesús
  2. Health & Medicine

    Will we all need COVID-19 booster shots?

    Experts say not yet, but booster vaccines may be coming as new SARS-CoV-2 virus variants keep emerging.

    By Erin Garcia de Jesús
  3. Tech

    Sleep-friendlier lighting is on the way

    Chemists have created a new glowing material for LEDs. It should lessen how much near-bedtime lighting impairs your ability to nod off.

    By Manasee Wagh
  4. Environment

    Pond scum can release a paralyzing pollutant into the air

    New study finds blooms of blue-green algae can seed the air with a poisonous pollutant.

    By Tracy Vonder Brink
  5. Health & Medicine

    Scientists Say: Nicotine

    Nicotine is an addictive substance found in tobacco plants. It's what makes it so difficult to quit smoking or vaping.

    By Bethany Brookshire
  6. Health & Medicine

    Warning: Wildfires might make you itch

    Western wildfires are on the rise due to climate change and land use. Now a study adds eczema to the list of health risks that smoke might trigger.

    By Kathiann Kowalski
  7. Brain

    Let’s learn about touch

    Most senses are concentrated around your head. But touch all over your body, and you need every inch.

    By Bethany Brookshire
  8. Computing

    Will this smartphone app become your exercise coach?

    When one teen couldn’t go to the gym, she invented an app to bring her gymnastics coach to her home. She succeeded and won a major award for it.

    By Bethany Brookshire
  9. Tech

    New robots can clean virus-laden surfaces so people won’t have to

    Smart and nimble cleaning robots will soon help disinfect spaces. They twist and bend to hit hard-to-reach spaces with UV light or cleansing sprays.

    By Kathryn Hulick
  10. Health & Medicine

    Simpler, easier COVID-19 test developed with kids in mind

    Designed by moms, it avoids any need to stick an uncomfortable swab up the nose. Instead, people just swish a dental roll around their mouths.

    By Kathiann Kowalski
  11. Health & Medicine

    Cool Jobs: Saliva offers a spitting image of our health

    Scientists are using this secretion to study our body’s functions, to test for disease and even to diagnose injury.

    By Kathiann Kowalski
  12. Health & Medicine

    Let’s learn about exercise

    Our bodies — from our muscles to our brains — love a good workout. Scientists are always learning new things about exercise.

    By Bethany Brookshire
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