BrainStuff

Ivan IV Vasilyevich wasn't called 'the Terrible' during his lifetime, but he lived up to the name. Learn how he became Russia's first tsar, expanded his power, and terrorized his political enemies -- real and imagined -- in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/ivan-terrible.htm
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The thymus is a small organ in the center of your chest that's responsible for getting your immune system's T cells ready to protect you from germs. Learn what we know and don't know about how the thymus works (and about some of the autoimmune conditions that can emerge when it doesn't work as expected) in today's episode of BrainStuff.
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Venus is the hottest planet, its years are shorter than its days, and its atmospheric pressure is 92 times greater than that on Earth. Learn how researchers think Venus got this way in today’s classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/46009-venus-explained.htm
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The concept of eating three square meals a day only goes back about 150 years. Learn how technology, marketing, and other factors have shifted our meals and mealtimes in today's episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/biological-reason-to-eat-three-meals-day.htm
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This technology is going on a hundred years old, but for reliable voice communication across relatively short distances, walkie-talkies are still relevant -- and sometimes preferable to cell phones. Learn how they work in today's episode of BrainStuff, based on this article: https://electronics.howstuffworks.com/walkie-talkies.htm
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