Menu Close

Articles on Questions answered

Displaying 1 - 20 of 127 articles

Damar Hamlin, #3, collapsed on the field after making a tackle during a game on January 2, 2023. Dylan Buell via Getty Images

Damar Hamlin’s cardiac arrest during ‘Monday Night Football’ could be commotio cordis or a more common condition – a heart doctor answers 4 questions

Disruptions to the electrical signals that control a person’s heartbeat are dangerous, no matter the cause. A heart doctor explains the biology of cardiac arrest and what might have happened on the field.
Trucks line up to load and unload at the Port of Los Angeles in Long Beach, California. Genaro Molina/Los Angeles Times via Getty Images

Beyond passenger cars and pickups: 5 questions answered about electrifying trucks

As California goes on regulating air pollution, other states often follow – including the Golden State’s ambitious goals for cleaning up emissions from trucking.
Could schools be putting a damper on children’s curiosity? Jose Luis Pelaez Inc via Getty Images

How to keep kids curious – 5 questions answered

A philosophy professor looks at the learning styles of different creatures to gain insight into curiosity among human beings.
Consuming an ample supply of fresh fruits and vegetables is still a tried and true way of getting vitamins and minerals and achieving lasting health benefits. PeopleImages/iStock via Getty Images Plus

An expert panel has recommended against taking vitamin E or beta carotene supplements for the prevention of cancer and cardiovascular disease – here’s why

Despite the popular belief that vitamin E and beta carotene supplements help prevent heart disease and cancer, the latest research suggests they do not – but the supplements do have potential risks.
Census takers went door to door in 2020, as in past years, seeking to make the count as accurate as possible. AP Photo/John Raoux

2020 census miscounted Americans – 4 questions answered

When the Census Bureau’s count of the population is inaccurate, it affects representation and government spending. Correcting errors isn’t always allowed.

Top contributors

More