Ancient civilizations used the powerful waterway for trade, agriculture and building projects. In turn, it fueled historic societal growth. ...read more

The Hindu-Arabic number system we use in everyday life was truly revolutionary. Why did it take so long for the West to embrace it? ...read more

A few unfortunate factors make some western states more susceptible to strong, damaging storms. Researchers are collecting data to better predict when hail will fall. ...read more

Silk production today is based on a process that goes back thousands of years — one that involves killing silkworms. But producers are coming up with cruelty-free alternatives. ...read more

Even Tyrannosaurus rexes needed to nap sometimes. A still-growing fossil record is showing how dinosaurs used to doze. ...read more

You don't have to drink every day to have an Alcohol Use Disorder. Even moderate amounts of alcohol consumption impact brain wiring, dopamine and other neurotransmitters. ...read more

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Prisoners and other vulnerable populations often bore the brunt of unethical medical experimentation. ...read more

She likely wasn’t the ravishing seductress depicted by Hollywood — but that’s what Roman propagandists want you to think. ...read more

Zero as a concept was something that didn’t always exist in human cultures. We had to find it for ourselves — more than once. ...read more