All Stories

  1. Animals

    Do dogs have a sense of self?

    Dogs don’t know their own reflections in a mirror, but they do recognize themselves from the scent of their own urine, a new study finds.

    By
  2. Agriculture

    Building better, safer soils

    Engineering safer soils for urban growers can reduce the risk of lead exposure and let low-income families enjoy more fresh fruits and vegetables.

    By
  3. Earth

    The most important stories of 2015

    From Pluto to gene editing, the year saw a number of notable research discoveries, advances and insights.

    By
  4. Planets

    Weird Pluto gives up its secrets

    The New Horizon spacecraft spent almost a decade getting to Pluto. Its first few months of data reveal this dwarf planet is far stranger than scientists had imagined.

    By
  5. Health & Medicine

    Scientists Say: Umami

    What’s the word for something savory? Umami is a taste, and is often described as being meaty.

    By
  6. Brain

    The most popular stories of 2015

    Our readers love to read about health and wellness. Check out which stories were most popular.

    By
  7. Animals

    Gene editing swats at mosquitoes

    A new genetic technique can render insects that spread malaria unable to reproduce.

    By
  8. Planets

    Cool Jobs: Exploring the solar system

    Meet three scientists who explore the solar system. Their jobs range from steering a spacecraft to chasing solar eclipses around the world.

    By
  9. Animals

    Some otters wear red algae

    Some sea otters in California sport coats of red algae. A new study finds the species most likely is a non-native organism from half a world away.

    By
  10. Give a holiday gift of science

    Science-themed gifts can be a lot of fun. These offer experiences that entertain and teach.

    By
  11. Brain

    Brain damage seen in potent-marijuana smokers

    Brain scans of people smoking potent forms of pot showed abnormalities in white matter. Studies have not yet looked to see if these changes are also linked with changes in memory, risk of depression or other types of harm.

    By
  12. Animals

    Algal poison can harm sea lion memory

    Sea lions exposed to toxic algae can experience seizures and brain damage. New research shows that the toxin also causes impairments to memory.

    By