Even though humans have access to an infinite amount of information through the Internet, there are a few tips, tricks and life hacks that slip through the cracks of society.

Among them, the following eight can be used as conversation starters at your next dinner party!

The cotton ball in medication bottles is not meant to stay there.

While the cotton ball is designed to keep your pills safe during shipping, the moisture it absorbs afterward can damage your prescriptions. It's best to just throw the cotton away.

For safety, sleep with your bedroom door closed.

In the case of a fire or a gas leak a closed door will slow the danger, potentially saving your life.

It’s impossible to breathe and swallow at the same time.

“It went down the wrong pipe,” is a scientifically inaccurate statement, albeit one that’s used quite often. Food and air travel down the same pathway and cannot do so simultaneously.

Photography: Pexels/@Ketut Subiyanto

Pitch darkness is a color that has a name.

When you close your eyes, you're seeing the color “eigengrau,” which is a German word for that dark, intrinsic gray hue.

Photography: Pexels/Eren Li

The size of your brain can predict the size of your social circle.

According to evolutionary anthropologist Robin Dunbar, the size of your prefrontal cortex is correlated to the size of your social circle. By her measurements, the average cortex equates to a circle of about 147 people.

Photography: Pexels/Ashford Marx

High heels were originally made for men.

Photography: Instagram/@jvn

Originally, they were a masculine fashion statement meant to boost height (and ego) by a few inches.

Water won't extinguish a grease fire.

Grease fires need to be suffocated. Water will only act as fuel and make them much worse.

Photography: Flickr/@Erdonzello

There's a trick to keeping foil and plastic wrap in their containers.

Most brands perforate the sides of foil and cling wrap boxes so the roll doesn’t unexpectedly fall out.

Photography: Reynolds