If I asked you how cashew nuts are grown, what would you say?

Prepare to have your mind blown by this revelation.

Cachues are actually part of a tree fruit called a cashew apple.

The nut itself is also encased inside a shell, but there's a reason why they're removed from that shell before they hit your local supermarket.

If you want to find out the dark secret

cashews are hiding, plus a whole host of more mind-blowing trivia titbits, just stick

around for this episode of the Ultimate Fact Show. Why can't you be amazed?

Why can't you bring liquids on a plane? Picture this.

You hear the final boarding call and rush to make your flight

when you're suddenly met with a brick wall of a man in uniform.

After a moment of panic, he points out the bottle of water in your bag and signals to the no liquid sign.

We've all been there, but have you ever wondered why you have to chuck your bottle at the gate?

The 311 rule was first put in place by the Transport Security Administration in 2006

and states that anyone

boarding a plane can carry 3.4 ounces of liquid per container in a one-court bag with just

one clear plastic bag per passenger. According to Steve Horsum, former deputy director of the

CIA's Community Human Intelligence Division, this rule was the direct response

to Operation Overt.

This was a term used to describe a collaborative effort to foil the plot of Abdullah Ahmed Ali,

a British citizen who had known affiliations with some pretty shady guys.

When Ali's bags were secretly searched after returning to the UK, operatives found a powdered

orange soft drink and a large number of batteries in his suitcase.

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