Fresno, California and the surrounding San Joaquin Valley have some of the nation’s highest levels of fine particle air pollution. AP Photo/Gary Kazanjian

Fine-particle air pollution has decreased across the US, but poor and minority communities are still the most polluted

A new study shows that while fine particle air pollution has declined nationwide over the past 40 years, the health and environmental benefits haven't been shared evenly.
Dana Gasby, left, interacts with her mother B. Smith in their East Hampton home on Long Island, New York, on Wednesday, January 9, 2019. B. Smith has Alzheimer’s Disease. Karten Moran for The Washington Post via Getty Images

The importance of blood tests for Alzheimer’s: 2 neuroscientists explain the recent findings

A blood test to detect Alzheimer's disease in people who have symptoms and even those who don't has been shown to work. Scientists still need to improve its accuracy rate to almost 100%, however.
Are cats really to blame for the worldwide loss of biodiversity? Dzurag/iStock via Getty Images Plus

Don’t blame cats for destroying wildlife – shaky logic is leading to moral panic

Framing cats as responsible for declines in biodiversity is based on faulty scientific logic and fails to account for the real culprit – human activity.

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