How Many Continents Are There?

Our bodies need salt and our bodies need water, so why is drinking saltwater not good for you? Learn what salt does in our bodies and why seawater will actually dehydrate you in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/science-vs-myt ...  Show more

Tungsten's boiling point is over 10,000 degrees Fahrenheit, and as tungsten carbide, it's one of the hardest materials we know. Learn how it's used for everything from armor-piercing bullets to electron microscopes to ballpoint pens in today's episode of BrainStuff, based on this ...  Show more

America is named after Amerigo Vespucci, right? Maybe not. And who named Australia? Find out the unusually uncertain origins of the continents and other interesting stuff in this episode.

America is named after Amerigo Vespucci, right? Maybe not. And who named Australia? Find out the unusually uncertain origins of the continents and other interesting stuff in this classic episode.

How many oceans are there? And how many continents are there? While at first you might think these are quite simple questions, the answers can depend on where you come from and what you believe! Hopefully, by the end of today’s episode, you’ll know why there are not simple answer ...  Show more

How do individuals relate to reality? How has humanity attempted to interpret its position in the universe? From navel-gazing to the geocentric universe and beyond, the search for humanity's place has become a long -- and mind-blowing -- enterprise.