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As London grew throughout the 1800s, it became clear that there wasn't enough real estate for its deceased citizens. Learn how the London Necropolis Railway took the funerary show on the road in this classic episode of BrainStuff. See omnystudio.com/listener for privacy information.

Beer and soda both form sudsy bubbles when you pour them, so why does soda's foam dissipate while beer's forms a head? Learn about foam physics in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/innovation/edible-innovations/beer-form-head-not-soda.htm See omnystudio.com/listener for privacy information.

Maya Angelou was a people's poet -- an artist, activist, and teacher whose words resonate from Supreme Court Justices to internet memes. Learn more about her through a few of her own quotes in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-figures/maya-angelou-quotes.htm To hear more from today's writer, Yves Jeffcoat, listen to her podcast, On Theme: https://www.ontheme.show/  See omnystudio.com/listener for privacy information.

Scurvy is a serious condition that's easily cured with access to vitamin C. Learn why humans get it (and why it was the scourge of the high seas) in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/diseases-conditions/rare/scurvy.htm See omnystudio.com/listener for privacy information.

Cattle burp so much methane into our atmosphere that it's the equivalent of how much cars pollute every day. Learn what researchers are trying to do about the gassy situation in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/methane-cow.htm  See omnystudio.com/listener for privacy information.

The water cycle brings Earth's water from the clouds to the ground and back again -- but how did it get here in the first place? Learn about the leading theories in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/geophysics/water-come-from.htm See omnystudio.com/listener for privacy information.

These mantises look like beautiful, bright orchids -- and some use that to aggressively attract prey. Learn more in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/insects/orchid-mantis.htm See omnystudio.com/listener for privacy information.

When we lose weight, it doesn't just vanish. Learn how our bodies shrink fat cells in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/diet-fitness/weight-loss/lost-weight.htm/printable See omnystudio.com/listener for privacy information.

Some claims make it sound like probiotics are a cure-all, but what has research found so far? Learn more about these supplements for your microbiome in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/preventive-care/probiotic.htm See omnystudio.com/listener for privacy information.

As a pedestrian, crossing the street wherever you want can be dangerous -- which is why it's still technically illegal in many American jurisdictions. Learn more in this episode of BrainStuff, based on this article: https://auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/jaywalking-crime.htm See omnystudio.com/listener for privacy information.

Though beautiful, Bradford pear trees are invasive in the U.S., use up precious water, are brittle -- and smell decidedly funky. Learn more in this episode of BrainStuff, based on this article: https://home.howstuffworks.com/whats-that-smell-dreaded-bradford-pear.htm See omnystudio.com/listener for privacy information.

To celebrate the anniversary of poet Robert Burns' birth on January 25, 1759, Scottish people all over the world observe Burns Night each year. Learn about the verse, the bagpipes, and of course the haggis in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holidays-other/get-out-haggis-its-burns-night.htm See omnystudio.com/listener for privacy information.