All Stories

  1. Climate

    Climate change is driving the extreme heat baking France’s Olympics

    In this week’s Extreme Climate Update, we look at record-breaking temps around the world and explain what the heat index is.

    By Nikk Ogasa
  2. Neuroscience

    Alzheimer’s blood tests are getting better, but still have a ways to go

    Blood biomarker tests could help doctors know if a person's cognitive symptoms are due to Alzheimer's or something else.

    By Laura Sanders
  3. Chemistry

    Tycho Brahe dabbled in alchemy. Broken glassware is revealing his recipes

    The shards contain nine metals that the famous astronomer may have used, including one not formally identified until 180 years after his death.

    By Skyler Ware
  4. Artificial Intelligence

    Can we train AI to be creative? One lab is testing ideas

    Artificial intelligence explores new ideas by tapping human intuition, a step toward humanlike intelligence.

    By Matthew Hutson
  5. Anthropology

    An Egyptian mummy’s silent ‘scream’ might have been fixed at death

    A rare muscle-stiffening reaction could explain the open-mouthed expression of a mummy known as the Screaming Woman, scientists suggest.

    By Bruce Bower
  6. Artificial Intelligence

    Want to spot a deepfake? The eyes could be a giveaway

    Reflections in the eyes of AI-generated images of people don’t always match up, researchers report.

    By Ananya
  7. Health & Medicine

    The CDC has tightened rabies regulations for imported dogs. Here’s why

    Dog rabies was eliminated in the United States in 2007. The new rules on bringing dogs into the country aim to keep it that way.

    By Claire Yuan
  8. Health & Medicine

    Some ‘forever chemicals’ may be absorbed through our skin

    PFAS, which are found in common products such as cosmetics, food packaging and waterproof gear, have been linked to health problems.

    By Abdullahi Tsanni
  9. Physics

    Paper cut physics pinpoints the most hazardous types of paper

    Dot matrix printer paper is the most treacherous, physicists report. Magazine paper comes in second.

    By Emily Conover
  10. Animals

    Static electricity may help butterflies and moths gather pollen on the fly

    Electrostatically charged lepidopterans could draw pollen out of flowers without touching the blooms, computer simulations suggest.

    By Anna Gibbs
  11. Climate

    Earth’s jet stream helps create the seeds of clouds

    The newly discovered process for making aerosols might also be the most productive.

    By Carolyn Gramling
  12. Health & Medicine

    Stopping cachexia at its source could reverse wasting from cancer

    The immune protein interleukin-6 helps regulate body weight. Blocking it in the brain could restore appetite and muscle mass, a study in mice hints.

    By Kristel Tjandra