Search Results for: assessments
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3,585 results
3,585 results for: assessments
- Climate
Thawing permafrost may unleash industrial pollution across the Arctic
As the frozen ground warms due to climate change, industrial pollutants could flow free from thousands of sites across the Arctic.
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Did artificial intelligence write this editor’s note?
Editor in chief Nancy Shute discusses the implications of artificial intelligence tools like ChatGPT for education, journalism and more.
- Health & Medicine
The antiviral drug Paxlovid reduces the risk of getting long COVID
In a study of U.S. veterans’ health records, the drug lowered the odds of developing 10 of 13 long-term health problems following a COVID-19 infection.
- Archaeology
The Yamnaya may have been the world’s earliest known horseback riders
5,000-year-old Yamnaya skeletons show physical signs of horseback riding, hinting that they may be the earliest known humans to do so.
- 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.
- 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
- 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.
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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.
- 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.
- 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.
- 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.
