Brainstuff
BrainStuff
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What is carrageenan?
Carrageenan is a gum derived from seaweed that helps processed ...
Carrageenan is a gum derived from seaweed that helps processed food withstand the rigors of transportation and long waits in warehouses. Learn more about the role that carrageenan plays in food by checking out this podcast from HowStuffWorks.com.
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What's the birthday paradox?
In a group of 20, there's a 50/50 chance that ...
In a group of 20, there's a 50/50 chance that two people will have the same birthday; this is called the birthday paradox. Find out how it works in this podcast from HowStuffWorks.com.
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How long before sharks start going extinct?
Sharks are ancient, fierce creatures, but they're also in danger ...
Sharks are ancient, fierce creatures, but they're also in danger of extinction on many fronts. Discover all the factors that make sharks vulnerable -- and what you can do to help -- in this podcast from HowStuffWorks.com.
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How Replacing Toilets Works
A family of four can consume more than 300 gallons ...
A family of four can consume more than 300 gallons of water per day. Old toilets use 5 gallons per flush, and this water use quickly adds up. Check out this HowStuffWorks podcast and learn why cities across the US are replacing their old commodes.
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Why are my power bills so high?
When it comes to energy usage, heating and cooling appliances ...
When it comes to energy usage, heating and cooling appliances contribute the most to your power bill. Tune in to find out which appliances are the most power-hungry -- and why -- in this podcast from HowStuffWorks.com.
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Can nasal sprays be addictive?
Some people have become so dependent on their nasal sprays ...
Some people have become so dependent on their nasal sprays and products that they might worry they're addicted. Marshall Brain explains why you can't really be addicted to nasal products in this episode.
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Is there a way to compare a human being to an engine?
Human muscles are essentially biological engines. In terms of efficiency, ...
Human muscles are essentially biological engines. In terms of efficiency, biological engines are amazing. Listen in as Marshall Brain calculates human efficiency in this episode.
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How do astronauts function in their spacesuits?
Astronauts wear special suits while they're working in space, and ...
Astronauts wear special suits while they're working in space, and these spacewalks can last for hours. In this episode, Marshall Brain explains how astronauts take care of their basic needs while wearing spacesuits.
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How High-level Nuclear Waste Works
What exactly is high-level nuclear waste, and how are we ...
What exactly is high-level nuclear waste, and how are we dealing with it today? In this episode, Marshall breaks down the techniques used to store high-level nuclear waste.
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How does fusion power work?
Fusion reactors like the sun produce huge amounts of energy, ...
Fusion reactors like the sun produce huge amounts of energy, so why aren't there fusion power plants everywhere? In this episode, Marshall explains the chemistry of fusion reactions and discusses how close fusion is to becoming a viable energy source.
