Does mouth taping help sleep (and is it safe)?

From ghost towns to warships: unexpected discoveries when water levels drop

Unsolved mysteries in each US state

Spooky urban legends from Japan

How to identify the symptoms of ADHD

Do "natural" sleep aids actually work? Here's what science has to say

How your everyday habits reveal your personality

Benedict IX: The worst pope in history

World War II submarines that disappeared without a trace

How does solar power work?

The most controversial events in history

Little-known facts about the US that may surprise Americans

In pictures: Over 7,000 structures damaged or destroyed by the LA fires

Beauty behind bars: attractive criminals who caught the public's eye

The US has not been involved in wars for only 6% of its existence

The most dangerous sports in the world

How America contributed to the reconstruction of Europe

Countries that were in the most wars

Diseases and disorders of history's notorious tyrants

These Japanese soldiers refused to surrender when WWII ended

The US government doesn’t want you to know about these military secrets

Tricks to cope with inflation

The laziest (and most active) dog breeds, ranked

The most bizarre things done by famous dictators

Shocking facts about the bombings of Hiroshima and Nagasaki

The differences between North and South Korea

Quirky birthday traditions from around the world