BrainStuff

Bruises can turn a rainbow of colors before they heal -- but why? Learn the science behind color-changing contusions in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/skin-care/information/health-factors/why-do-bruises-change-colors-as-heal.htmSee omnystudio.com/listener for privacy information.

Explore the concept of sound in space through the lens of popular science fiction films and the science behind sound propagation. Dive into how sound travels through different mediums and the unique phenomena of generating sound in near-vacuum space conditions. Learn about the challenges of traditional sound in space and the concept of bone conduction for hearing.

Dingoes are Australia's wiley wild canines -- and yes, they can be dangerous to humans. Learn about the origin of this pop culture phrase in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/dingo.htmSee omnystudio.com/listener for privacy information.

The Emanicaption Proclamation didn't immediately free any enslaved people -- it wasn't meant to. Learn how it succeeded at its actual purpose -- demoralizing the Confederacy -- in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/lincoln-emancipation-proclamation.htmSee omnystudio.com/listener for privacy information.

Pickled cucumbers are a simple snack favored by everyone from deli-goers to Cleopatra. Learn the science and history behind pickling in this episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/food-science/pickle-history.htmSee omnystudio.com/listener for privacy information.

All exercise is good for keeping us healthier and happier -- but some kinds of exercise can actually help you live longer, too. Learn more in this episode of BrainStuff, based on this article: https://entertainment.howstuffworks.com/which-athletes-live-longest.htmSee omnystudio.com/listener for privacy information.

If you take a pull of air from a helium balloon, you'll sound like a cartoon version of yourself for a few seconds. Learn why helium makes you so high pitched in this episode of BrainStuff.See omnystudio.com/listener for privacy information.

After our sun dies, it and many other stars will eventually crystallize. Learn how astrophysicists figured this out -- and how it works -- in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/after-sun-dies-itll-become-stellar-crystal.htmSee omnystudio.com/listener for privacy information.

Though his formal education and financial means were limited, Cesar Chavez succeeded in unionizing California farm workers as no one had before. Learn about his life and dedication to La Causa in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/cesar-chavez.htmSee omnystudio.com/listener for privacy information.

Giraffe's necks contain only seven vertabrae, just like ours, but can be several feet long. Learn how their bodies adapted to this amazing structure in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/giraffe-neck.htm/printableSee omnystudio.com/listener for privacy information.