How does a gas pump know when the fuel tank i...

Lemmings are small, fierce rodents that make their home in Arctic environments -- and (spoiler alert) the idea that they kill themselves by following each other off cliffs is a myth. Learn what Disney had to do with it (and what lemmings are really like) in today's episode of Bra ...  Show more

Our bodies need salt and our bodies need water, so why is drinking saltwater not good for you? Learn what salt does in our bodies and why seawater will actually dehydrate you in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/science-vs-myt ...  Show more

Using a gas pump is pretty simple: You just push a few buttons and fuel up. But how do they actually work? Join Scott and Ben as they take a closer look at the technology behind the ubiquitous gas pump in this episode.

Using a gas pump is pretty simple: You just push a few buttons and fuel up. But how do they actually work? Listen in as the guys take a closer look at gas pumps.

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For many of us, gasoline is just another everyday thing. It's essential, but we don't give it much thought. But how does it work? What is it made up of? Why are there different "grades" or "types" of gasoline? Let's start it up. ...

Could switch grass become the car fuel of the future? Learn more about alternative fuel in this HowStuffWorks podcast.

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