1. Animals

    Cool Jobs: Poop investigators

    Far from just being waste, poop is loaded with clues to the health, biology and behavior of whatever body produced it.

  2. Animals

    High-speed camera reveals the secrets of a legless larva’s leap

    Research reveals how a blob of an insect can leap more efficiently than it crawls. Its body acts like a spring.

  3. Animals

    Scientists Say: Extinction

    When the last member of a species dies, it’s gone forever. That species is extinct.

  4. Animals

    Mystery disease is killing Caribbean corals

    Scientists are racing to pin down a new coral disease that’s “annihilating” whole species from Caribbean reefs.

  5. Animals

    Giving cats a special food may one day help people with cat allergies

    Research by pet-food maker Purina aims to disable the major allergen carried in cat saliva. It’s a protein called Fel d1.

  6. Fossils

    A flexible bone that aids mammals in chewing arose during the Jurassic

    A flexible bony structure that helps with chewing may have helped give rise to the Age of Mammals, a new fossil suggests.

  7. Animals

    Scientists Say: Hertz

    Frequency is how often something repeats over a period of time. Frequency is often measured in hertz, the number of times a cycle repeats each second.

  8. Animals

    Ancient crocodiles may have preferred chomping plants, not meat

    Fossil teeth of ancient crocodilians suggest that some ate plants and that such green diets evolved in crocs at least three times more than 60 million years ago.

  9. Animals

    New treatment offers hope for bats battling white nose syndrome

    A fungal disease that has wiped out millions of North American bats has a new challenger: antifungal bacteria. Infected bats treated with the germs had a good chance of surviving.

  10. Animals

    Some mama whales may whisper to keep calves safe from orcas

    Even enormous whales can fear the threat that orcas pose to their babies. It now seems that some have taken to whispering to help their young stay off the killer whales’ radar.

  11. Animals

    Scientists Say: Hagfish

    Hagfish are eel-shaped fish with many traits that make them similar to long-vanished fossils. When threatened, they can pump out piles of slime.

  12. Health & Medicine

    A fungus plus a spider toxin equals a weapon to kill mosquitoes

    A new weapon could help fight mosquitoes that spread malaria. It’s an engineered fungus that infects the insects — then kills them with a spider poison.