Mental Floss

JOB SECRETS

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4. They rarely go to crime scenes.

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If you work on a Marvel movie, you'd better be prepared to get top-level security clearances.

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No, they don't make everything from scratch.

Here’s why they hate the holidays.

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They probably hate the sirens, too.

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Don't keep your good chocolate in the fridge!

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It's a trash-sifting, peeing-in-a-bottle job, but someone's gotta do it.

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They're pretty tired of you wiping boogers on the car seat.

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It's all about learning how to time that buzzer.

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Typos are their biggest fear.

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Don't tap on the glass, or the zookeepers might follow you.

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When you meet them at a party, please don't ask for a joke.

Carl Safina

Learn to think like an animal.

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It's not always a walk in the park.

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There's a reason they don't want to touch your yoga mat.

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On any given day, aquarium employees might be asked to swim with sharks, train sea lions, or poke a gassy sea horse.

Eugene Salomon

Be nice to them: A secret button under the dash can ruin your day in a hurry.

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They do a lot more than remind you to wear sunscreen—they just might detect brain cancer.

Investigation Discovery

No, they don’t work in the middle of the night under a bare, swinging light bulb.

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Yes, @wastedeverynight87, yourTwitter address can make their decision much, much easier.