The kilogram used to be measured against an agreed-upon chunk of metal stored in France, but no longer. Learn the new measure of this standard unit of measurement in today's episode of BrainStuff.   Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How Do We Define the Kilogram?

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https://auto.howstuffworks.com/car-driving-safety/auto-safety-testing/escape-sinking-car.htm; https://auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/auto-glass.htm See omnystudio.com/listener for privacy information.

How Should You Escape a Sinking Car?

Cherry blossom trees are so celebrated because their beautiful blooms are so short-lived. Learn about these trees (and how so many wound up in Washington, D.C.) in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/cultural-traditions/cherry-blossom.htm See omnystudio.com/listener for privacy information.

How Do Cherry Blossom Trees Work?

Starting in the 1930s, this adventurous Black woman toured the U.S., performed stunts, and served her country on motorcycles. Learn more in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/bessie-stringfield.htm See omnystudio.com/listener for privacy information.

How Did Bessie Stringfield Shape Motorcycle History?

It turns out that some tree squirrels have complex organization systems for their stashes. Learn how they hide and find exactly what they want in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/squirrels-really-organize-nuts.htm See omnystudio.com/listener for privacy information.

How Do Squirrels Organize Their Hoards?

Given the right depth, temperature, and access to volcanic gases, lakes can explode and kill thousands in the process. Learn how these limnic eruptions happen in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/geophysics/what-makes-killer-lake-explode.htm See omnystudio.com/listener for privacy information.

How Do We Define the Kilogram?

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