Why does a manual transmission make a whirrin...

In the 1700s, fossil finds along the Ohio and Hudson Rivers indicated that North America was home to mysterious beasts. Learn how mastodon bones proved both that extinction is real and that America isn't full of degenerates in this episode of BrainStuff, based on this article: ht ...  Show more

The craving for and practice of eating earth is more widespread than you might think. Learn why researchers think people engage in this form of pica (i.e., geophagy) in today's classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditio ...  Show more

What do automotive transmissions do? How does power get from an engine to a car’s wheels? Why do manual transmission vehicles have a clutch? Learn more about transmissions with Jonathan and Lauren. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnyst ...  Show more

Aston’s 110th birthday present to itself is a machine so old school it has a wooden gearlever and recycled geography teacher upholstery. Analogue heaven, or expensive anachronism? We discuss that and the rise of the expensive manual gearbox with the help of the 911 S/T, GMA T.50 ...  Show more

Everyone knows that internal-combustion engines generate exhaust, but what takes it from your engine to the muffler safely? Tune in as Scott and Ben break down the nuts, bolts -- and possible future -- of your car's exhaust system.

Screw-drive vehicles are designed to traverse terrain that traditional vehicles find unmanageable. Scott and Ben take a look at how these screw-driven vehicles work and discuss some fascinating examples, from tractors to toys, in this episode.