What did life look like when the Amazon watershed flowed backwards? How did its direction shape the evolution of life around it? And what force could have possibly been strong enough to up-end one of the world’s mightiest rivers between...

The largest rainforest in the world, the Amazon, exists between two rivers — but not in the way you might think. At ground level, the Amazon River and its tributaries weave their path. But above the canopy, bigger waterways are on the...

You're peering into the Amazon River when, suddenly, you lose your footing and fall. Piranhas dart about in the rapidly approaching water. So, are you doomed? Will your fall trigger a feeding frenzy that will skeletonize your body within...

When we think parasites, we often think of illness, disease, and discomfort. But did you know some of them can actually be helpful? Join Stefan Chin and learn all about them in a fun SciShow compilation all about the world of parasites!

Parasites. They’re all around us, from birds’ nests to litter boxes to our brains, and while plenty of them are harmful to the health of animals like us, some of them can actually be good!

Usually, you can count on a river to flow in one direction, but some things can make it reverse course. Aside from being weird and surprising, these river reversals can often reflect geological changes and have long-lasting impacts on...

What are our forests really made of? From the air, ecologist Greg Asner uses a spectrometer and high-powered lasers to map nature in meticulous kaleidoscopic 3D detail -- what he calls "a very high-tech accounting system" of carbon. In...

Join Jessi and Squeaks as they answer questions in the first viewer mail episode from SciShow Kids!

If you’ve ever heard stories of a naughty little fish with a penchant for swimming up urethras, don’t believe the hype—these tiny Amazonian catfish are just victims of a very old rumor mill.

Hank tells us about all of the things that live on us or in us - the good, the bad, and the very, very ugly.

Brazil is a HUGE country! And despite popular ideas, it's not comprised entirely of the Amazon Rainforest. Despite this, the majority of all Brazilians still live just 50 miles from the coast, illustrating a huge population imbalance for...

AMAZON RIVER SOUTH AMERICA S AMAZON RIVER IS UNDOUBTEDLY THE BIGGEST RIVER, OWING TO THE AMOUNT OF FRESH WATER IT CARRIES TO THE OCEANS. 1/5 OF THE WORLDS RIVER FLOW CAN BE ATTRIBUTED TO THE AMAZON. THE AMAZON IS SO LARGE THAT IT HAS...

In this video, the Amazon rainforest is explored as a vital contributor to our planet's oxygen production, earning it the nickname "the lungs of the Earth." The video highlights the Amazon's diverse ecosystem, its heavy reliance on...

The Amazon Jungle:Finally, we’ll go to the jungle in a journey through a river that only the bravest explorers dared to cross. Let's go to the Amazon! We will admire the variety of Amazonian fauna. We will see some of the animals that...

Discover the diverse biomes of North America, from its vast forests to arid deserts and icy tundras, and learn about its famous natural landmarks. Explore South America's unique ecosystems, including the Amazon rainforest, the mighty...

Dr. Forrester explores information and locations of the following rivers of the world: the Amazon, Mississippi, Yellow, Yangtze, Ganges, Nile, Danube, Rhine, and Volga.

Dr. Forrester explains various bodies of water found on Earth.

Explore the fascinating and treacherous journey of Martin Strell as he braves deadly creatures and challenging obstacles to break a world record by swimming the Amazon River. Join him and his team on a thrilling adventure filled with...

Me Pregunto - Cómo Se Nombró El Rí oAmazonas?

This video is answering the question of how big is The Amazon River.

This video is answering the question of who lives in The Amazon.

This video is answering the question of how was The Amazon River named.

This video explores five fun facts about Amazon River.

This video is answering the question of has anyone ever swam the whole Amazon River.