All Stories

  1. Health & Medicine

    Explainer: Why it’s easier to get sick in the winter

    Low humidity helps viruses survive, and cold weather blunts some of the body’s immune responses — making colds and other viral infections more likely.

    By Tina Hesman Saey
  2. Physics

    Explainer: Kinetic and potential energy

    Kinetic energy depends on an object’s motion; potential energy hinges on its position. The relationship between the two sits in a special balance.

    By Trisha Muro
  3. Physics

    Does the size of a parachute matter?

    How does a parachute work? Do bigger parachutes work better than smaller parachutes? Find out in this science project whether the size of the parachute matters.

    By Science Buddies
  4. Tech

    Think twice before using ChatGPT for help with homework

    ChatGPT is a new AI tool that generates well-formed writing and code. Despite many benefits, it makes cheating easy and can supply bad information.

    By Kathryn Hulick
  5. Tech

    New robot can pick up a single drop of liquid

    The new device, which looks like a pair of plastic pinchers, is the first to be able to pick up individual droplets of liquid.

    By Stephen Ornes
  6. Humans

    Let’s learn about Neandertals

    Neandertals are an extinct species closely related to modern humans. They made tools and jewelry, controlled fires and cared for their sick.

    By Maria Temming
  7. Environment

    Protecting forests may help head off future pandemics

    Hungry bats are more likely to shed harmful viruses to people or livestock when they spread out to hunt food. Conserving forests may limit this risk.

    By Alison Pearce Stevens
  8. Materials Science

    Scientists Say: Hydrogel

    Tangled polymer chains help hydrogels hold their shape despite being full of water.

    By Maria Temming
  9. Brain

    The pandemic prematurely aged teens’ brains

    A small study showed certain structural changes that appeared three to four years early. Normally, premature aging of the brain is not a good sign.

    By Freda Kreier
  10. Climate

    Eight ways you can cut your carbon footprint

    Learn how you can limit the climate-warming gases associated with what you eat, the products you buy and the energy you use.

    By Laura Allen
  11. Climate

    The world is aiming for ‘net zero’ emissions of greenhouse gases

    Nations are charting how they might ‘zero’ out their releases of climate-warming gases. Success might greatly lower the risks of climate catastrophes.

    By Alexandra Witze
  12. Animals

    Bumblebees go out of their way to play

    Young bumblebees roll wooden balls and go out of their way to do so. This suggests they play like other animals do.

    By Alison Pearce Stevens
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