How Do We Define the Kilogram?

Since the early days of space exploration, some of NASA's greatest have pulled some great pranks. Learn about our favorites, from a smuggled sandwich to a space gorilla, in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/ridiculous-history-5-n ...  Show more

When you shiver, your fingers and toes go numb, or you get goosebumps in the cold, that's actually your body trying to keep you warm. Learn how it works -- and how you habituate to chilly temperatures over time -- in this episode of BrainStuff, based on this article: https://heal ...  Show more

In this episode of Stuff Mom Never Told You, Molly and Cristen take a look at current ways of measuring obesity. They discuss the most common formula, Body Mass Index (BMI), in detail, from its origins to its flaws.

Daniel and Jorge talk about the history of how we measured this fastest of all velocities! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Daniel talks about how astronomers can measure or deduce the mass of a star, and why it controls its fate.

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Learn about the concept of quantum mechanics and what our understanding of it is.

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