It's relatively common for cars and trains to pass through underwater tunnels, but these structures are marvels of modern engineering. Learn how they're blasted, bored, and built from prefab pieces in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/engineering/structural/build-underwater-tunnel.htm

See omnystudio.com/listener for privacy information.

This creature's amazing amalgam of traits includes fur like a mammal, webbed feet like a bird, eggs like a reptile, electroreception like a shark, and venom that may teach us how to build better painkillers. Learn more about the platypus in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/platypus-poison.htm

See omnystudio.com/listener for privacy information.

Almost every type of living creature relies on mucus to help keep itself healthy. Learn what snot can teach us in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/respiratory/mucus.htm

See omnystudio.com/listener for privacy information.

You can buy all kinds of fancy meat thermometers, but many turkeys are packaged with a simple pop-up timer that tells you when the bird is done. Learn how they work (and why Americans eat turkey on Thanksgiving in the first place) in this episode of BrainStuff, based on this article: https://home.howstuffworks.com/pop-up-timer.htm

See omnystudio.com/listener for privacy information.

Denver's Mile High Stadium sits a full mile above sea level -- is that distance really enough to make a difference in the air compared with other stadiums, and thus in how footballs fly there? Learn about football physics in this classic episode of BrainStuff, based on this article: https://entertainment.howstuffworks.com/physics-and-football-denvers-altitude-affect-field-goals.htm

See omnystudio.com/listener for privacy information.

What we sometimes call the dark side of the moon isn't always dark, but it is somewhat mysterious. Learn why we only see one side of the moon from Earth (and why it's sometimes in shadow) in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/dark-side-of-moon.htm

See omnystudio.com/listener for privacy information.

Cream of tartar is a kitchen ingredient most commonly used in baking, but it can help with everything from candy making to whipping eggs to cleaning up afterwards. It's also a byproduct of the wine industry. Learn how it works in this episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/food-science/cream-of-tartar.htm

See omnystudio.com/listener for privacy information.

When it comes to influenza, what you don't know can hurt you. Learn some of the most common misconceptions about the flu (and flu vaccines), plus the truth behind them, in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/cellular-microscopic/10-flu-misconceptions.htm

See omnystudio.com/listener for privacy information.

Dr. Jane Goodall's 60-year career has changed our understanding of chimpanzees and humanity alike. Learn how she's still working to improve our world for all its creatures in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/innovation/big-thinkers/jane-goodall-global-face-for-global-peace.htm

See omnystudio.com/listener for privacy information.

The DSM is a manual that U.S. healthcare professionals use to identify and diagnose mental health issues -- and it’s a continual work in progress because our understanding of mental health is continually developing. Learn how the DSM works in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/mental-health/mental-disorders/dsm-diagnostic-and-statistical-manual-mental-disorders.htm

See omnystudio.com/listener for privacy information.