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BrainStuff - HowStuffWorks
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The human body can produce 300-400 distinct chemical odors. Some of them are insect attractants, and some are insect repellents. Which means that some people are virtually immune to mosquitoes:
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Ever gotten scalded in the shower when someone flushed a toilet? The reason it happens is simple -- and so is the fix:
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Fact of the Day: Glass is technically neither a liquid nor a solid.

(And hey, I'm going back through some of our early videos and adding the scripts and reference lists to their description text. Hopefully that'll make 'em more helpful for all y'all curious cats out there. /Lauren)
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Anyone else gearing up for +Dragon Con? We won't be there in an official capacity this year, but if you're there, you may spot a few of us hanging out. (If you do, don't be shy!)

The team here at +HowStuffWorks put together a BUNCH of videos to document what we saw at Dragon Con 2014, explore the social science of fandom, and offer up con & costume tips and hacks. (This one's my personal favorite because Holly brought her awesome Animal and Oogie Boogie costumes, and I got to dress up as the girl from The Ring in the office. /Lauren)
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Fact of the Day: The active ingredient in most fire extinguishers is baking soda. It decomposes at a balmy 158 degrees F (70 degrees C), releasing CO2 that helps smother the fire.
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Remember: The next time you’re about to leave an event early and you want to sound cool, don’t say, “Let’s blow this popsicle stand.” Instead, say, “Let’s blow this quiescently frozen confection stand.” Like a good, law-abiding citizen.
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Confusion in two tiny parts of your brain is what causes jet lag, but the whole mess starts in your eyeballs. Josh (of SYSK, of course!) explains how it works -- and how you can help prevent it:
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Do you sneeze in sunlight? You're one of the 1/3rd (or less!) of humans who have ACHOO syndrome -- aka a photic sneeze reflex. The nerve equivalent of crossed wires is responsible, and Cristen explains:
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 Our nervous system is so wonderfully screwy sometimes. ^__^
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Lucid dreaming may sound like New Age mumbo jumbo, but it’s not a new thing! Aristotle wrote about it, and Tibetan Buddhists have been practicing dream yoga (milam) for centuries. Modern science has even accepted it as being legit. Well, sorta:
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Lauren here! My favorite part about preparing for this episode was reading the IAU's snarky FAQ about buying star names. For example, addressing the question 'Even though it's more accurate to give number designations to stars, wouldn't proper names be more fun?', they say: "Some people might be amused while the present fashion lasts, but it would generate a system of mounting confusion for no factual reason. And this is the opposite of what taxpayers pay scientists to do." Dry science humor <3<3
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Lauren here! In case this just wasn't enough fart info for you, I wrote a script for Ben about more fascinating flatus facts over on +HowStuffWorks: http://youtu.be/uNk9SaJ_Fi0

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Lauren here! I fell down a research rabbit hole while writing this script -- lots of complex chemistry and microscopic materials science go into making everyday hair dyes. Now I want to research exactly how much physical and chemical damage hair dyes actually do.
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Explaining the everyday science in the world around us!
Introduction
Whether the topic is popcorn or particle physics, you can count on the HowStuffWorks team to explore - and explain - the everyday science in the world around us on BrainStuff.

How does decaffeination work? How does popcorn pop, why do cars use gas and how can you survive a plane crash? Learn the answers to these questions, and more, as the podcasters of HowStuffWorks.com present the BrainStuff behind everything from space exploration to the QWERTY keyboard.

TestTube is a network for the young-at-mind where it's cool to be smart and curiosity is the fuel. We are a digital network, native to the internet where optimism travels, like a virus, at the speed of light. Our hosts are experts, not actors, and our shows are authentic, challenging and irreverent. We're inspiration junkies in an expanding universe of information where we question anything and test everything.