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How Are Airplane Cabins Pressurized?
Cabin pressure systems haven't changed much over the decades, but the controls for them have gotten safer and more sensitive. Learn more in this epis…
3 years, 11 months ago
BrainStuff Classics: Why Does Skin Tan and Freckle?
When you freckle or tan, your skin is trying to protect you from damage. Learn how it works in this episode of BrainStuff. See omnystudio.com/listen…
4 years ago
How Do Echidnas Work?
Echidnas are spiny, toothless, egg-laying mammals -- and they only get weirder from there. Learn more about them in this episode of BrainStuff, based…
4 years ago
What Can You Do When You Run Out of Baby Formula?
When a shortage of baby formula strikes, health-care providers and a number of organizations can help. Learn who to contact, and what switches in for…
4 years ago
How Do Bidets Work?
The most popular modern bidet was invented in the U.S., so why hasn't this technology caught on here? Learn the history of the bidet in this episode …
4 years ago
What's the Tallest Mountain in the Solar System?
Even though Earth is the largest rocky body in our solar system, we don't have the largest mountain -- not by a long shot. Learn how Mars took the ti…
4 years ago
BrainStuff Classics: Are Chimps Cleaner Than Us?
A study investigating the microbes and bugs in chimpanzee beds versus human beds showed that chimps are cleaner than we are. Learn about the study's …
4 years ago
If You Can Be Disgruntled, Can You Be Gruntled?
Some words like 'disgruntled' and 'ineffable' -- informally called lonely negatives -- don't have a positive counterpart in English. Learn how a few …
4 years ago
How Do Snakes Mate?
Snakes have several fascinating reproductive tricks up their sleeves (scales?). Learn about the wild world of dual penises, delayed fertilization, eg…
4 years ago
How Did Manifest Destiny Shape America?
Manifest Destiny was the idea that European colonists in the early U.S. had a God-given duty to expand across the continent. Learn how it worked then…
4 years ago