bacteria are the oldest living organisms

on the earth they've been here for

billions of years and what they are are

single-celled microscopic organisms so

they're one cell and they have the

special pr

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What if I told you there were trillions of tiny bacteria all around you?

It's true.

Microorganisms called bacteria were some of the first life forms

to appear on Earth.

Though they consist of only a s

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Flatulence, or passing gas, is a normal daily phenomenon.

Most individuals, yes, that includes you,

will make anywhere from 500-1500 milliliters of gas

and can pass gas ten to twenty times a day.

But

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Transcriber: Yuankai Gu Reviewer: David DeRuwe

Do you ever think about how you could die?

I do, and whenever I do, I catch myself thinking

about the most horrible ways of dying, like car accidents,

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