How Underwater Tunnels Work

How Underwater Tunnels Work

It's a pretty amazing feat to dig a tunnel beneath a body of water that's big enough (and safe enough) to drive a train through. While humans have been digging underwater tunnels for thousands of years, it wasn't until the late 19th century that it became viable on a large scale. In this episode, Chuck and Josh explore the ins and outs of the engineering triumph that is digging below water.

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Episoder(2719)

How OCD Works

How OCD Works

Obsessive-compulsive disorder is an anxiety disorder characterized by obsessive thoughts and compulsive actions. Check out this HowStuffWorks podcast to learn more about the effects of and treatments for OCD. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

2 Des 200814min

How Thanksgiving Works

How Thanksgiving Works

Thanksgiving is an unusual holiday in America -- there's no religious connotation, and the only traditions are a good meal and a sense of appreciation for the good things in life. Check out this HowStuffWorks podcast to learn more about Thanksgiving. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

27 Nov 200820min

How Albert Einstein's Brain Worked

How Albert Einstein's Brain Worked

Albert Einstein is one of the world's most recognizable geniuses. But was his brain any different from that of an average person? Check out this HowStuffWorks podcast to learn more about Thomas Harvey, the man who set out to decipher Einstein's brain. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

25 Nov 200818min

How Corporate Personhood Works

How Corporate Personhood Works

Corporate personhood is an ancient legal custom tracing back to Roman law, whereby a corporation is legally considered a person. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

20 Nov 200816min

How Eco-anxiety Works

How Eco-anxiety Works

Eco-anxiety -- a chronic fear of environmental doom -- is a recent, specialized type of anxiety disorder gripping an estimated 40 million people in the United States. Check out this HowStuffWorks podcast to learn more about eco-anxiety. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

18 Nov 200814min

Why doesn't the FDA regulate herbal supplements?

Why doesn't the FDA regulate herbal supplements?

For thousands of years, societies across the globe have used herbs as medicine. While this practice continues today, the FDA does not regulate these potent substances. Find out why the FDA can't regulate herbal supplements in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

13 Nov 200813min

Did the CIA test LSD on unsuspecting Americans?

Did the CIA test LSD on unsuspecting Americans?

As more and more time passes, the Freedom of Information Act provides increasingly disturbing stories of illegal CIA operations. Check out this HowStuffWorks podcast to learn more about MKULTRA and illegal CIA operations in the United States. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

11 Nov 200826min

How Mortgage-backed Securities Work

How Mortgage-backed Securities Work

The 2008 US financial crisis has been blamed on the excessive use of mortgage-backed securities. But what exactly is a mortgage-backed security? Learn more about these securities and how they contributed to the crisis in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

6 Nov 200818min

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