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World

What if everyone on Earth jumped at the same time?

Ready ... set ... jump! It's hard to imagine getting everyone on Earth to jump at the same time — though with Facebook, Meetup and all manner of other social-media methods of reaching people, it's easier to believe in the possibility than it used to be.

How chaos theory works

It happened again recently. The local weatherman predicted a major winter storm had set its sights on central Virginia. Precipitation would start the following morning, and we should expect 8 inches (20 centimeters) of the white stuff by…

Syria: US may retain 1.000 troops in the region

American press reports on Sunday claimed the U.S., three months after the U.S. President Donald Trump’s statement that the American troops will withdraw from Syria, 1.000 forces will remain garrisoned in the eastern part of the country.

Fire a bullet straight up: How high does it go?

On New Year's Eve 2017, Democratic member of the Texas House of Representatives Armando Martinez, stepped outside a home and suddenly felt as if he'd been struck with a sledgehammer. After he was rushed to the hospital, it turned out that…

10 questions that science can’t answer yet

When the Black Death ran rampant through cities in the Middle Ages, no one knew exactly how or why the awful disease spread. After many generations, we figured out that rat fleas and bacteria were to blame. It was a watershed moment for the…