A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
More Americans have died in car accidents than have died in all the wars ever fought by the United States.
55
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
Couples' personalities converge over time to make partners more and more similar.
235
In Monopoly, the character locked behind the bars is called Jake the Jailbird. Officer Edgar Mallory sent him to jail.
65