Humans

  1. Brain

    Ingredients in popular snack foods can make them addictive

    Researchers find that highly processed foods rich in sugar and added fat may be as addictive as tobacco.

    By Alison Pearce Stevens
  2. Health & Medicine

    How to be heat-safe when playing sports

    Protecting young athletes from overheating is getting more important as climate change turns up the temperature.

    By Megan Sever
  3. Genetics

    Experiment: Are fingerprint patterns inherited?

    Let’s investigate whether fingerprint patterns are created randomly or whether they are influenced by genetics.

    By Science Buddies
  4. Chemistry

    Chemists have unlocked the secrets of long-lasting Roman concrete

    By searching ancient texts and ruins, scientists found a concrete recipe that could make buildings stronger — and help address climate change.

    By Carolyn Gramling
  5. Agriculture

    Native Amazonians make rich soils — and ancient people may have too

    Modern Amazonians make nutrient-rich soil from ash, food scraps and burns. The soil strongly resembles ancient “dark earth” found in the region.

    By Freda Kreier
  6. Health & Medicine

    Scientists Say: Kidney

    The kidneys remove waste and excess water from the blood, forming urine.

    By Maria Temming
  7. Psychology

    There’s a real upside to knowing you could be wrong

    We’re often certain that what we believe is true. But questioning those beliefs, as Galileo did, can help us learn better — and even perform better on tests.

    By Jane Palmer
  8. Health & Medicine

    Let’s learn about allergies

    Allergies are caused by the body’s immune system overreacting to harmless substances.

    By Maria Temming
  9. Brain

    Scientists Say: Anxiety

    Some nervousness, or anxiety, is normal. Too much can be harmful.

    By Maria Temming
  10. Health & Medicine

    New brain scans may show if a concussion has not yet healed

    Concussions change certain brain waves, and delta waves may be the best signs of when teens can return to competitive sports.

    By Silke Schmidt
  11. Archaeology

    Minding your mummies: The science of mummification

    In this science project, you will learn about the rituals and science of mummification by mummifying a hot dog.

    By Science Buddies
  12. Health & Medicine

    High school scientists tackle community health and safety risks

    Three finalists in the 2023 Regeneron Science Talent Search aim to improve suicide risk assessment, treatment of sickle cell disease and more.

    By Maria Temming