Search Results for: assessments

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3,581 results

3,581 results for: assessments

  1. Earth

    Earth’s inner core may be more complex than researchers thought

    Seismic waves suggest that Earth has a hidden heart, a distinct region within the solid part of the planet’s core.

    By Carolyn Gramling
  2. Health & Medicine

    A chemical imbalance doesn’t explain depression. So what does?

    The causes of depression are much more complex than the serotonin hypothesis suggests

    By Laura Sanders
  3. Health & Medicine

    Microplastics are in our bodies. Here’s why we don’t know the health risks

    Researchers are racing to try to understand how much humans are exposed and what levels are toxic.

    By Anne Pinto-Rodrigues

  4. Readers ask about fungal lung infections

    By Science News Staff

  5. So much is lost when fossil treasures go private

    Editor in chief Nancy Shute discusses how science and the public lose when fossils are privately sold.

    By Nancy Shute
  6. Animals

    Are your cats having fun or fighting? Here are some ways to tell

    Certain behaviors indicate if your cats’ interaction is friendly, aggressive or something in between, a new study finds.

    By McKenzie Prillaman
  7. Climate

    How an Indigenous community in Panama is escaping rising seas

    The Indigenous Guna peoples' relocation from Panama could offer lessons for other communities threatened by climate change.

    By Melba Newsome
  8. Animals

    Fish can recognize themselves in photos, further evidence they may be self-aware

    Cleaner fish recognize themselves in mirrors and photos, suggesting that far more animals may be self-aware than previously thought.

    By Betsy Mason
  9. Tech

    How ChatGPT and similar AI will disrupt education

    The new chatbot ChatGPT and other generative AI encourage cheating and offer up incorrect info, but they could also be used for good.

    By Kathryn Hulick
  10. Health & Medicine

    My mammogram revealed I have dense breasts. What does that mean?

    Nearly half of U.S. women have dense breasts. A new FDA rule makes notification of breast density national. Here’s the scoop on why.

    By Aimee Cunningham
  11. Climate

    Extreme weather in 2022 showed the global impact of climate change

    Heat waves, floods, wildfires and drought around the world were exacerbated by Earth’s changing climate.

    By Carolyn Gramling
  12. Science & Society

    Lots of people feel burned out. But what is burnout exactly?

    Researchers disagree on how to define burnout, or if the phenomenon is really another name for depression. Helping people cope at work still matters.

    By Sujata Gupta