Lifestyle

Can you solve the 99% left-handed room and decode a pill calendar? Try the simple questions many people get wrong.

Your IQ says a lot about you, but some subtle hints about how you process information can be told through your daily habits.

The smartest person in the room may be the one saying the things you don't expect. Learn the signs pointing to a very different kind of intelligence.

An untouchable woman doesn’t push people away; she commands respect that no one can resist.

Life underwater gets kind of strange when you're sharing a bunk and think fresh air smells odd. Find out the Navy submarine lifestyle secrets.

If these familiar phrases instantly irritate you, you might be smart. You're able to identify the shaky logic and easy answers that other people let slide.

The WWII generation had a saying for bluffers and worriers. They put oversharers in their place, too. Learn the sayings that deserve another go.

Nobody can be judged by a single sentence, but certain phrases become concerning when they form a repeated pattern of avoiding responsibility.

The United States has more than two centuries of history, and some of its strangest details rarely make it into textbooks.

Even with today's advanced technology, these 13 mysteries continue to puzzle scientists and resist a definitive explanation.