BrainStuff

The vast (vast!) majority of humans need a passport in order to travel internationally. Learn why -- and who doesn't -- in this classic episode of BrainStuff. Learn more about your ad-choices at...

The vast (vast!) majority of humans need a passport in order to travel internationally. Learn why -- and who doesn't -- in this classic episode of BrainStuff. Learn more about your ad-choices at...

The vast (vast!) majority of humans need a passport in order to travel internationally. Learn why -- and who doesn't -- in this classic episode of BrainStuff. Learn more about your ad-choices at...

Spoiler alert: Yes, breeds of dogs said to be hypoallergenic can still set off your allergies -- but they may be better for you than other breeds. Learn why in this episode of BrainStuff. Learn...

Spoiler alert: Yes, breeds of dogs said to be hypoallergenic can still set off your allergies -- but they may be better for you than other breeds. Learn why in this episode of BrainStuff. Learn...

You may have heard about the supposed inverse relationship between confidence and knowledge -- but is it true? Learn more about the Dunning-Kruger effect in this classic episode of BrainStuff....

You may have heard about the supposed inverse relationship between confidence and knowledge -- but is it true? Learn more about the Dunning-Kruger effect in this classic episode of BrainStuff....

You may have heard about the supposed inverse relationship between confidence and knowledge -- but is it true? Learn more about the Dunning-Kruger effect in this classic episode of BrainStuff....

Heating homes and other human hangouts requires a huge carbon footprint -- but meanwhile, we're wasting heat every day (and sweating) in systems like subways. Learn how one project hopes to use...

Heating homes and other human hangouts requires a huge carbon footprint -- but meanwhile, we're wasting heat every day (and sweating) in systems like subways. Learn how one project hopes to use...

Bacon and eggs are a traditional breakfast -- but that tradition only goes back about a century. Learn how Sigmund Freud's nephew invented public relations and changed the way we eat breakfast in...

Sure, everyone knows that bacon and eggs are a traditional breakfast - but why? Listen in to learn how Freud's nephew invented PR and changed the way America eats breakfast. Learn more about your...

Cockroaches are, if nothing else, admirably persistent -- they can spring back from a 90% population loss just a couple generations. Learn how hardy they are in this episode of BrainStuff. Learn...

Cockroaches are, if nothing else, admirably persistent -- they can spring back from a 90% population loss just a couple generations. Learn how hardy they are in this episode of BrainStuff. Learn...

Wolverines may not have adamantium-reinforced skeletons, but this species of weasel boasts a few superpowers of its own. Learn more about wolverines in this episode of BrainStuff. Learn more about...

Wolverines may not have adamantium-reinforced skeletons, but this species of weasel boasts a few superpowers of its own. Learn more about wolverines in this episode of BrainStuff. Learn more about...

Something has to be done with all those fall leaves, but the best option for the environment (and your lawn) isn't raking, it's mulching. Learn why, and how to get started, in this episode of...

Something has to be done with all those fall leaves, but the best option for the environment (and your lawn) isn't raking, it's mulching. Learn why, and how to get started, in this episode of...

We often use the terms 'wasp' and 'hornet' interchangeably, but that's not quite right, and knowing the difference can save you a sting. Learn about these insects in today's episode of BrainStuff....

We often use the terms 'wasp' and 'hornet' interchangeably, but that's not quite right, and knowing the difference can save you a sting. Learn about these insects in today's episode of BrainStuff....