Andrew Bridges

All Stories by Andrew Bridges

  1. Space

    Teen finds exoplanet

    Tom Wagg discovered exoplanet WASP-142b while doing an internship. Just 15 at the time, he is possibly the youngest person ever to find an exoplanet.

  2. Microbes

    Explainer: What is a virus?

    Viruses cause many of the world’s common diseases. These germs reproduce by hijacking the cells of their host.

  3. Tech

    Explainer: What are lidar, radar and sonar?

    Radar, sonar and lidar and are three similar technologies. Each relies on the echoing of waves — radio, sound or light waves — to detect objects.

  4. America’s top teen scientists

    The Intel Science Talent Search is America’s top high school science competition. This year, the top finishers took home more than $1 million in prizes.

  5. Health & Medicine

    The steady creep of less sleep

    More than half of all teens 15 and older get less than seven hours of sleep, according to a new study. That is two to three hours less than recommended. Overall, teens are sleeping less with each passing year, data show.

  6. Brain

    Screen time can mess with the body’s ‘clock’

    Reading on an iPad in the evening can make it harder to fall asleep — and harder to wake up the next morning, a new study finds. The light from its screen tinkers with the body’s clock. And that could risk harming your health.

  7. Health & Medicine

    U.S. outbreak of measles emerges

    The United States is experiencing an outbreak of measles. A traveler likely brought in the virus from abroad, which is now spreading. Most of those infected were never vaccinated and could now face serious health risks.

  8. Health & Medicine

    10 things to know about measles

    Many people think that the measles vaccine wiped out the disease — at least in the United States. It hasn’t. And people who were never vaccinated face the primary risk of getting this very serious disease

  9. Climate

    Explainer: Why a tornado forms

  10. Climate

    Twister science