BrainStuff

Tales of some great shock or fright suddenly turning a person's hair white go back thousands of years. Learn what researchers think is really going on -- and how our hair normally goes grey and white -- in today's episode of BrainStuff, based on these articles: https://science.howstuffworks.com/science-vs-myth/everyday-myths/can-hair-turn-white-overnight.htm; https://health.howstuffworks.com/wellness/aging/aging-process/stress-gray-hair.htm
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Brown recluse spiders rarely bite humans, and when they do, it only causes a reaction in about 10 percent of cases. Learn how to identify brown recluses and what their bites do in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/arachnids/brown-recluse-spider-bite.htm (If your urine turns black, seek medical treatment immediatly.)
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Voting is an incredibly important way to make your voice heard, but it's very rare for a candidate to win or lose by just one vote. Learn how rare -- and about a few times that it's happened -- in today's classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/can-single-vote-change-election-outcome.htm
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The largest pumpkins in the world now weigh well over a ton, and the record gets broken just about every year. But how (and why) would you go about growing one? Learn how competitive gourd growing works in today's episode of BrainStuff, based on this article: https://home.howstuffworks.com/grow-giant-pumpkin.htm
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Every movement our bodies make -- from waving at a friend to pumping blood -- is goverened by complex electrochemical handshakes among our nerves and our muscles. Learn how voluntary, involuntary, and reflexive movements work in today's episode of BrainStuff, based on these articles: https://health.howstuffworks.com/human-body/systems/musculoskeletal/muscle.htm; https://health.howstuffworks.com/human-body/systems/nervous-system/nerve.htm
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