The danger of artificial intelligence isn't that it's going to rebel against us, but that it's going to do exactly what we ask it to do, says AI researcher Janelle Shane. Sharing the weird, sometimes alarming antics of AI algorithms as...

Chef Dan Barber squares off with a dilemma facing many chefs today: how to keep fish on the menu. With impeccable research and deadpan humor, he chronicles his pursuit of a sustainable fish he could love, and the foodie's honeymoon he's...

Break down the oil slick, keep it off the shores: that's grounds for pumping toxic dispersant into the Gulf, say clean-up overseers. Susan Shaw shows evidence it's sparing some beaches only at devastating cost to the health of the deep sea.

Enric Sala shares glorious images -- and surprising insights and data -- from some of the most pristine areas of the ocean. He shows how we can restore more of our oceans to this healthy, balanced state, and the powerful ecological and...

Just a few meters below the waves, marine biologist and explorer-photographer David Gruber discovered something amazing -- a surprising new range of sea creatures that glow in many colors in the ocean's dim blue light. Join his journey...

Ever wonder what a dinosaur might have looked like? Well, we might have an answer for you and the result is hidden in plain sight.

Kristina Gjerde studies the law of the high seas -- the 64 percent of our ocean that isn't protected by any national law at all. Gorgeous photos show the hidden worlds that Gjerde and other lawyers are working to protect from trawling...

What swims in rivers and the ocean and is an awesome parent? Jessi and Squeaks talk about the amazing life cycle of salmon.

Explore the sodium potassium pump (Na+/K+ pump), with the Amoeba Sisters! This video talks about why this pump is needed and provides an overview of this type of active transport. Table of Contents: 00:00 Intro 0:48 Introducing the...

Check out nine abundant animals that help support the food chain in their ecosystems!

When most people think of fishing, we imagine relaxing in a boat and patiently reeling in the day's catch. But modern industrial fishing -- the kind that stocks our grocery shelves -- looks more like warfare. Ayana Elizabeth Johnson and...

In Cretaceous times (around 100 million years ago), North Africa was home to a huge river system and a bizarre menagerie of giant prehistoric predators -- including the Spinosaurus, a dinosaur even more fearsome than the Tyrannosaurus...

In this collection of classic MinuteEarth videos, we tackle the science of size.

Sharks are WAY more important than you may realize.

Now you "sea" them, now you don't! Cuttlefish are more than the chameleons of the sea, these cephalopods take camouflage to a whole new level.

In this illuminating talk, Richard Pyle shows us thriving life on the cliffs of coral reefs and groundbreaking diving technologies he has pioneered to explore it. He and his team risk everything to reveal the secrets of undiscovered...

We may think of a lot of critters with crab-like body plans as crabs, but, technically, many of them are other types of crustaceans. So why do they share so many physical traits?

It's Green vs. Green in this week's quiz show as Hank battles Katherine to see who takes home all the marriage points.

Eat facts, Shark Week! Hank takes you on a tour of the shark's amazing anatomy, including the many adaptations that made it a great predator -- despite not having any bones.

The One That Got Away (Size Matters)

How might the human race end? Stephen Petranek lays out 10 terrible options and the science behind them. Will we be wiped out by an asteroid? Eco-collapse? How about a particle collider gone wild?

Sharks wouldn’t be known for their fierce teeth today if it weren’t for their ancient scales.

Last week we went up up up a mountain. Well, today we're going down down down into the ocean to see what habitats await us there. Yep, the ocean has layers and the types of things we encounter there change the deeper we go.

Learn more about electric animals with Hank Green.