From Molecules to Organisms: Structures and Processes

  1. Health & Medicine

    Wildfire smoke seems to pose its biggest health risk to kids

    New studies, some of them in young monkeys, point to vulnerabilities affecting kids' airways, brains and immune systems.

    By
  2. Life

    Scientists Say: DNA

    Short for deoxyribonucleic acid, DNA is the molecule that determines how each living thing looks and works.

    By
  3. Psychology

    Scientists Say: Trauma

    No one experiences trauma the same way. Its effects can be physical or emotional. Immediate or delayed. Brief or long-lasting.

    By
  4. Health & Medicine

    Six months in space causes 10 years’ worth of bone loss

    Even a year after recovery back on Earth, astronauts who’d been in space six months or more still had bone loss equal to a decade of aging.

    By
  5. Chemistry

    Scientists Say: Pigment

    From fruits to fur to fine art, many materials get their colors from compounds called pigments.

    By
  6. Health & Medicine

    Teen arm wrestlers face risk of an unusual elbow break

    The pointy part of the inner elbow can break in arm wrestling, especially among teens whose bones are still growing.

    By
  7. Animals

    Why these jumping toadlets get confused mid-flight

    The tiny pumpkin toadlet tumbles when it jumps. Its ear canals may be too tiny to help the animal track its motion through the air.

    By
  8. Tech

    This robotic finger is covered in living human skin

    The advance brings super realistic cyborgs one small step closer to reality.

    By
  9. Brain

    Why teens can’t help tuning out mom’s voice 

     Teens often tune out what their mom is saying. Normal brain changes during adolescence could explain why, new research shows.

    By
  10. Plants

    The first plants ever grown in moon dirt have sprouted

    This tiny garden shows farming on the moon may be difficult, although not impossible.

    By
  11. Animals

    Orb-weaving spiders use their webs like external eardrums

    Scientists discover that orb-weaving spiders listen with their legs, detecting sound vibrations that travel through their silken webs.

    By
  12. Brain

    Let’s learn about sleep

    Sleep is key for health and wellbeing — but early school start times and screen time make it harder for teens to get shuteye.

    By