BrainStuff

In case you ever get stranded in the wild without an obvious source of fresh water, here are a few things you can do to collect some.

The gunk builds up at the inner corners of our eyes is residue of the stuff the coats and protects our eyeballs all the time. Learn what it’s made of and why it turns to sand overnight. Learn more...

The gunk builds up at the inner corners of our eyes is residue of the stuff the coats and protects our eyeballs all the time. Learn what it’s made of and why it turns to sand overnight.

Every morning we wake up with bad breath. What does bacteria and a lack of saliva have to do with it? Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers

Every morning we wake up with bad breath. What does bacteria and a lack of saliva have to do with it?

It’s no secret that some animal species are highly intelligent – but do they also “get” jokes? Can they laugh? Are laughter and intelligence even related? Learn more about your ad-choices at...

It’s no secret that some animal species are highly intelligent – but do they also “get” jokes? Can they laugh? Are laughter and intelligence even related?

There’s a big difference between running for President and actually winning the election. So how much money will you need to have a decent shot at being Commander-in-Chief? Learn more about your...

There’s a big difference between running for President and actually winning the election. So how much money will you need to have a decent shot at being Commander-in-Chief?

Astronauts left over a hundred items on the moon's surface. But are today's telescopes powerful enough to see what's there? Learn more about your ad-choices at...

Astronauts left over a hundred items on the moon's surface. But are today's telescopes powerful enough to see what's there?

Space without a suit? You’ll probably die from the lack of pressure in a vacuum. But other extreme hazards won’t help either. Learn more about your ad-choices at...

Space without a suit? You’ll probably die from the lack of pressure in a vacuum. But other extreme hazards won’t help either.

Dressing up to feel powerful may have been a fashion fad of the 1980s, but do we still think differently if we wear formal clothes? Learn more about your ad-choices at...

Dressing up to feel powerful may have been a fashion fad of the 1980s, but do we still think differently if we wear formal clothes?

It’s good hygiene to wash your hands after touching shared bathroom surfaces. But bars of soap are a shared surface. Does soap really help get you clean? Learn more about your ad-choices at...

It’s good hygiene to wash your hands after touching shared bathroom surfaces. But bars of soap are a shared surface. Does soap really help get you clean?

Some hair dyes are basically fine-grained paint. But dyes that stick with you for more than a couple weeks physically and chemically change each hair. Learn how with Christian Sager. Learn more...

Some hair dyes are basically fine-grained paint. But dyes that stick with you for more than a couple weeks physically and chemically change each hair. Learn how with Christian Sager.

Tattoo machines (sometimes called guns) haven’t changed much since the 1890s because they’re such elegant devices. Tune in to learn how the most common types work. Learn more about your ad-choices...