Search Results for: assessments

Open the calendar Use the arrow keys to select a date

Can’t find what you’re looking for? Visit our FAQ page.

3,585 results

3,585 results for: assessments

  1. Science & Society

    Main result of Facebook emotion study: less trust in Facebook

    Facebook’s controversial manipulation of emotional posts raises key questions about how to study online behavior.

    By
  2. Animals

    How to count a sea turtle

    Trends, not absolute numbers, matter more when it comes to conservation efforts for sea turtles.

    By
  3. Cosmology

    Maybe time’s arrow needs ergodicity as well as entropy

    Explaining the arrow of time might require an equilibrium universe with hidden ergodic dynamics.

    By
  4. Math

    Doctors flunk quiz on screening-test math

    Many doctors, and the news media, don’t understand that because of the statistics of screening tests, a test with 90 percent accuracy can give a wrong diagnosis more than 90 percent of the time.

    By
  5. Earth

    Coming Storms: Method predicts intensity of U.S. hurricane seasons

    A new computer model that analyzes summer-wind patterns can help predict whether the United States will suffer a damaging hurricane season.

    By
  6. Chemistry

    The Proper Popper: Corn kernel’s chemistry is key to its ka-pop

    The secret to better popcorn popping is the crystalline structure of the kernel's hull.

    By
  7. Earth

    Mind the Gap: Inadequate monitoring at many U.S. volcanoes

    A report just released by the U.S. Geological Survey ranks the threats posed by the nation's volcanoes.

    By
  8. Health & Medicine

    Waking up that lazy eye

    Wearing an eye patch can improve vision in children with amblyopia, or lazy eye, up to age 17.

    By
  9. Earth

    Portrait of destruction

    A new simulation suggests where the most damaging ground motions would occur if a magnitude 7.7 earthquake struck the San Andreas fault east of Los Angeles.

    By
  10. Anthropology

    Founding Families: New World was settled by small tribe

    A new genetic analysis indicates that only about 200 to 300 people crossed the ice age land bridge from Asia to become the founding population of North America.

    By
  11. Disorderly Conduct: U.S. survey finds high rates of mental illness

    Nearly half of all adults in the United States develop at least one mental disorder at some time in their lives, although most cases aren't serious enough to require treatment.

    By
  12. Earth

    Icy Heat: Satellites look at heat flow through Antarctica’s crust

    Using satellite observations of Earth's magnetic field, scientists can estimate the amount of heat flowing upward through Earth's surface under kilometers-thick ice.

    By