What has eight arms, three hearts, and and lives in the ocean? An octopus! Join Jessi and Squeaks as they take a dive into the amazing world of the super weird, super smart octopus!

In this video Paul Andersen explains the vital role that water plays in the processes on the Earth's surface. Water has several unique properties including high heat capacity, transparency, polarity and the ability to change the chemical...

Null Island - The Busiest Place That Doesn't Exist

Island and coastal nations need to protect their waters to keep the oceans healthy. But they often have lots of debt and aren't able to prioritize ocean conservation over other needs. Mark Tercek and his team at The Nature Conservancy...

Scientists have observed a collision of two of the universe's most extreme objects. And a mission to Jupiter's moon Europa makes an important step forward.

Barrier reefs are home to all kinds of amazing animals, but did you know that the coral itself is an animal? Join Jessi and Squeaks to learn all about coral and the longest coral reef in the world, The Great Barrier Reef!

Mr. Andersen describes how plate tectonics shapes our planet. Continental and oceanic platers are contrasted and major plate boundaries are discussed.

Sharks are fascinating creatures with cool teeth, awesome scales, and there are over 450 kinds of sharks! Join Jessi and Squeaks to learn some super shark facts!

The water in your faucet may once have been part of a cloud...or a snowflake...or even the ocean! And it’s all because of the water cycle!

About 9 million tons of plastic are dumped into the world's oceans every year -- enough to fill a football stadium 23 miles high. But a project dubbed the Ocean Cleanup aims to eliminate it with a method that researchers are testing in...

Some parts of the world get way more extreme storms than Jessi and Squeaks are used to. They're called hurricanes!

Pluto might seem like the least likely place to find liquid water, but thanks to New Horizons, we have new information about oceans on the dwarf planet and more from the outer reaches of the solar system!

Each kind of light has a unique wavelength, but human eyes can only perceive a tiny slice of the full spectrum -- the very narrow range from red to violet. Microwaves, radio waves, x-rays and more are hiding, invisible, just beyond our...

You're alive! And so are all the plants in your garden, the birds in the sky, and the fish in the ocean! But how do we know they're alive? What does it even mean to be alive in the first place!? Join Jessi and Squeaks to learn how...

We all know that the Earth is huge, but what is it made of? Join Jessi and Squeaks for a fun activity to learn about Earth's layers, and to make your own model of Earth!

The second part of our two part tale of the puzzle that is Earth. In this episode, Sabrina talks about the Hydrosphere and the Atmosphere and what is contained in each one. Let's dive in!!! This first series is based on 5th grade...

If you look out your window, you'll probably notice a bunch of things; houses, streets... hopefully a tree. But beyond that you'll see things like mountains, rivers, volcanoes... well, hopefully not a volcano. These are landforms and...

Imagine setting sail from Hawaii in a canoe. Your target is a small island thousands of kilometers away in the middle of the Pacific Ocean - a body of water that covers more than 160 million square kilometers. For thousands of years,...

New ReviewThe European eel is a mysterious fish. They live for years without any reproductive organs, which made people very confused about where eels came from, all the way back to the ancient Egyptians, Greeks, and Romans. And up until recently,...

New ReviewWelcome Back to Bizarre Beast: Season Zero. Thank you for coming with us on this year-long journey to remaster the episodes of Bizarre Beast that were originally created for VlogBrothers. For our final Season Zero episode, the giant fish...

New ReviewWelcome back to the second episode of our new format for Bizarre Beasts, which we're calling Season Zero. Over the next year, we will be remastering episodes of Bizarre Beasts that were originally created for Vlogbrothers.

New ReviewThere are many creatures on the internet that do not actually exist, even though we would like them to. Like, would you believe there is an animal that can photosynthesize, decapitate itself, and is incredibly cute? They are the...

New ReviewOff the coast of South Africa, a small group of orcas with an apparent taste for shark liver have been taking out great white sharks since at least 2017. And, honestly, that’s not even the strangest thing killer whales have been up to...

New ReviewThe octopus is a pretty odd animal under even the most ordinary circumstances – or ordinary by octopus standards, at least. So when folks start calling out one type of octopus as the strangest, there’s probably something special about...