BrainStuff

Have you ever wondered how much gold the world has produced over time? How about platinum? Get the grand totals in this HowStuffWorks podcast. Learn more about your ad-choices at...

Have you ever wondered how much gold the world has produced over time? How about platinum? Get the grand totals in this HowStuffWorks podcast.

Before there were light bulbs, candles made the world a brighter place. Discover the ingenious technology behind candles in this podcast from HowStuffWorks.com. Learn more about your ad-choices at...

Before there were light bulbs, candles made the world a brighter place. Discover the ingenious technology behind candles in this podcast from HowStuffWorks.com.

You might recognize frankincense and myrrh from the Biblical story of Jesus, but have you ever wondered exactly what they are? Tune in to get the skinny on frankincense and myrrh in this podcast...

You might recognize frankincense and myrrh from the Biblical story of Jesus, but have you ever wondered exactly what they are? Tune in to get the skinny on frankincense and myrrh in this podcast...

An electric toothbrush gets power from its base without the help of metal contacts. Find out how this sealed system works in the following podcast from HowStuffWorks.com. Learn more about your...

An electric toothbrush gets power from its base without the help of metal contacts. Find out how this sealed system works in the following podcast from HowStuffWorks.com.

When you put a fresh piece of wood on a hot fire, volatile organic carbons in the wood evaporate, creating smoke. Learn more about smoke in this Brainstuff podcast. Learn more about your ad-choices...

When you put a fresh piece of wood on a hot fire, volatile organic carbons in the wood evaporate, creating smoke. Learn more about smoke in this Brainstuff podcast.

An X-ray machine is essentially a camera that uses x-rays to expose the film, instead of visible light. Learn more about x-ray machines in this HowStuffWorks podcast. Learn more about your...

An X-ray machine is essentially a camera that uses x-rays to expose the film, instead of visible light. Learn more about x-ray machines in this HowStuffWorks podcast.

Mucous contains mostly water and mucin -- a branched polysaccharide. When polysaccharides such as mucin or cornstarch are mixed with water, the result is a sticky substance. Learn more about your...

Mucous contains mostly water and mucin -- a branched polysaccharide. When polysaccharides such as mucin or cornstarch are mixed with water, the result is a sticky substance.

A new company is claiming that, next year, the problems of carbon emissions, foreign oil dependence, oil spills, fuel shortages, etc. will all end due to a breakthrough in biotechnology. Is it...

A new company is claiming that, next year, the problems of carbon emissions, foreign oil dependence, oil spills, fuel shortages, etc. will all end due to a breakthrough in biotechnology. Is it true?

Can you buy a good, long-lasting toy helicopter for under $30? Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Can you buy a good, long-lasting toy helicopter for under $30?

Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about...

Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about...