Life

  1. Brain

    Hunger’s little helpers

    Astrocytes were thought to be nothing more than support cells for neighboring nerve cells. A new study suggests they do much more. These brain cells may help control appetite, too.

    By
  2. Fossils

    Fossil hunting can start as child’s play

    Paleontology isn’t just for professionals. You don’t even need to be a teen to sometimes make startling — and scientifically important — contributions.

    By
  3. Fossils

    Explainer: How a fossil forms

    Minerals can replace any bone, shell or once-living tissue and also fill in the spaces between these hard parts, birthing a fossil.

    By
  4. Animals

    A library with no books

    The Macaulay Library at Cornell University has no books. Instead, the audio library has been accumulating sound recordings since 1929.

    By
  5. Animals

    A library of tweets (and howls and grunts)

    The Macaulay Library houses a world of animal sounds. And now anyone with an Internet connection can check out this audio collection.

    By
  6. Environment

    Native ‘snot’

    The ‘rock snot’ choking rivers may be native algae. Experts blame its sudden and dramatic emergence on changes in Earth’s atmosphere, soils and climate.

    By
  7. Fossils

    These prehistoric fliers likely nested together

    Fossils in nest of newfound pterosaur species suggest these animals were part of a social network — and may even have lived communally.

    By
  8. Animals

    Free app tracks fireflies

    Scientists are worried about firefly populations. Now you can use a free app to map firefly flashes, and contribute data to tracking the health of this popular summertime bug.

    By
  9. Genetics

    Newfound DNA ‘enhancer’ behind many natural blonds

    Some snippets of DNA other than genes play a role in giving some people of European a golden crown of hair.

    By
  10. Animals

    Decoding bee dances

    Biologists have started eavesdropping on bees — or their dancing sign language — to identify where these buzzers prefer to forage. This info is pointing to which bee-friendly habitats may be most important to preserve.

    By
  11. Animals

    Teen studies water strider disappearing act

    As a child, Xidian Zhang loved to play with water striders. Now they’re gone, and pollution may be the reason. This teen’s findings earned him a spot at the 2014 Intel International Science and Engineering Fair.

    By
  12. Animals

    A science fair project makes bug killing sweet

    Simon Kaschock-Marenda wanted to see how flies responded to different sweeteners. Along the way, he discovered an insecticide that would pose little risk to people. And the 14-year-old is now a published author on a scientific paper.

    By
Use up and down arrow keys to explore.Use right arrow key to move into the list.Use left arrow key to move back to the parent list.Use tab key to enter the current list item.Use escape to exit the menu.Use the Shift key with the Tab key to tab back to the search input.