How Do Scales Measure Weight?

Scales range from simple machines that weigh your produce to precision instruments that measure anything from molecules to massive cargo -- but they all work on related principles. Learn how different types of scales work in this episode of BrainStuff, based on this article: https://electronics.howstuffworks.com/gadgets/fitness/digital-scale.htmSee omnystudio.com/listener for privacy information.

In South Carolina, the first school for formerly enslaved people during the Civil War shifted to become a center for social activism during the Civil Rights movement, and stands today as a landmark of African American culture and history. Learn more about the Penn Center in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/american-civil-war/penn-center-strategic-secret-pivotal-to-civil-rights-movement.htmSee omnystudio.com/listener for privacy information.

Cramming for a test or other deadline may give you decent short-term results, but research shows it sacrifices long-term comprehension and memory. Learn why study methods like spacing and interleaving are better in this classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/why-cramming-is-worst-way-to-study.htmSee omnystudio.com/listener for privacy information.

Over a few hundred years, real stories about secretive agents developed into the legend of the ninja. Learn how this myth captured the world's imagination -- and about the work being done at the world's first International Ninja Research Center -- in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/first-ninja-research-center-out-to-solve-myth-behind-legend.htmSee omnystudio.com/listener for privacy information.

The French word 'bourgeois' originally just meant a middle-class town dweller, but it's taken on a lot of different (and often derogatory) connotations over the centuries, including in the English slang term 'bougie'. Learn more in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/bourgeoisie.htmSee omnystudio.com/listener for privacy information.

When abortion was illegal throughout the U.S., it was still perfomed -- just dangerously or expensively. Learn about the Jane Collective -- an underground network that helped people access safe, affordable, illegal abortions -- in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/jane-collective.htmSee omnystudio.com/listener for privacy information.

Ducks can hold extra air in their feathers and bodies, making it easy for them to float -- and to squeeze out the air and dive when they want to. Learn more about ducks and bouyancy in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/duck-float.htmSee omnystudio.com/listener for privacy information.

Following World War II, Austrialia became embroiled in another war -- with a population of emu. Learn how the Emu War unfolded in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/ridiculous-history-emu-war.htmSee omnystudio.com/listener for privacy information.

Neurologists and philosophers alike may argue that altruism doesn't exist because no act is ever completely unselfish. Learn why -- and why humans may have evolved this way -- in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/evolution/unselfish-act.htmSee omnystudio.com/listener for privacy information.

Just outside Los Angeles, Forest Lawn Memorial Park is the resting place of many celebrities -- and also home to art, architecture, and celebrations of life. Learn about it in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/funerals/forest-lawn-memorial-park.htmSee omnystudio.com/listener for privacy information.