Life

  1. Fossils

    Hot or cold dinos

    Patterns in dinosaur bones fuel a debate over whether they were warm- or cold-blooded.

    By Stephen Ornes
  2. Animals

    Cool Jobs: Studying what you love

    Researchers study the same animals that fascinated them as kids.

    By Roberta Kwok
  3. Plants

    Whale-free perfume

    Tree gene trick is good news for people who like perfume made without sperm whale waste.

    By Stephen Ornes
  4. Animals

    Chimp’s gift for numbers

    Translating numbers into colors may explain an animal’s apparent memory trick.

    By Stephen Ornes
  5. Brain

    Sweets on the brain

    Sugar-free sweeteners fool the body’s internal computer.

    By Stephen Ornes
  6. Animals

    Bye-bye, George

    Ambassador of endangered species everywhere dies from old age.

    By Janet Raloff
  7. Animals

    Skeeters ride the rain

    Mosquitoes survive collisions with raindrops by going with the flow.

    By Stephen Ornes
  8. Fossils

    End of big bug era

    Flying predators probably gobbled up the biggest of the large flying insects 150 million years ago

    By Stephen Ornes
  9. Brain

    The smell of old people

    Tests show that older adults have a distinct odor, but it isn’t bad.

    By Stephen Ornes
  10. Earth

    The oldest place on Earth

    Antarctica may seem like the dead continent, but it once bustled with life — a little of which still survives.

    By Douglas Fox
  11. Brain

    Candy on the brain

    Imaging reveals brain regions that become active when you want someone else’s stuff.

    By Stephen Ornes
  12. Brain

    No ordinary zzz’s

    Anesthetics can put you in a coma — but that’s a good thing.

    By Susan Gaidos