Jellyfish aren't the most nutritious animals in the ocean. Yet sea turtles and many other organisms get their nutrition from almost nothing else. Here's why they don't totally starve to death.

Somewhere in the Pacific Ocean, there's a fish that's . . . a little different. Join us for a new episode of SciShow where Hank will tell you all about the Pacific Barreleye Fish and what makes it so mysterious....

This weird-looking creature has been mistaken for a lot of things, including a whale placenta and a sea monster as well as a garbage bag. And less often, it’s recognized for what it is: a jellyfish!

In this video Paul Andersen shows how increasing ocean temperatures causes coral polyps to release their symbiotic algae. This process of coral bleaching decreases the availability of energy for the coral and may eventually lead to coral...

Hank explains the enormity of the Giant Magellan Telescope, possibly the biggest telescope ever built, as well as updates about NASA's new mission to the moon, and an unusual discovery about the habits of deep-sea squid.

In 1947, explorers noticed a strange phenomenon while crossing the Pacific Ocean. Somehow, small squid known to live deep beneath the waves kept appearing on the roof of their boat. The crew was mystified— until they saw the squids...

ctopuses have the ability to solve puzzles, learn through observation, and even use tools - just like humans. But what makes octopus intelligence so amazing is that it comes from a biological structure completely different from ours....

Sally Le Page joins us on Quiz Show this week, where we celebrate the submission of her doctoral thesis with the most peaceful, relaxing questions we could devise, assuming you don’t count the volcanoes or screamed-at caterpillars

You're swimming in the ocean when something brushes your leg. When the tingling sets in, you realize you've been stung by a jellyfish. How do these beautiful gelatinous creatures pack such a painful punch? Neosha S Kashef details the...

This weird-looking creature has been mistaken for a lot of things, including a whale placenta and a sea monster as well as a garbage bag. And less often, it’s recognized for what it is: a jellyfish!

Joe Hanson went behind the scenes at the Monterey Bay Aquarium to learn about jellyfish.

In the Pacific Ocean, there lives a fish that's . . . a little different. Hank tells you all about the Pacific barreleye fish!

Not all animals have a mouth, or even need one to eat! These different feeding strategies can teach us a lot about our ancestors and how they went from not needing a mouth at all to only eating with one.

Bill and Webb can’t seem to agree, so they head the The Fort where Mister Brown tries to help them work together by teaching them about mutualisms, or when different types of animals help each other in the wild!



Next...

Welcome back to Bizarre Beasts: Season Zero, where we are remastering episodes of Bizarre Beasts that were originally created for Vlogbrothers. This episode is the Portuguese Man O’ War, the animal (well, colonial organism) that sails...

Science Kids Ocean Predators - Killer Whales, Great White Sharks, Piranhas and More!

Predators play a crucial role in maintaining the balance of marine ecosystems by controlling the populations of prey species. By preying on...

Howcast - Learn what zombie animals exist in nature in this Howcast video about how to survive a zombie attack.

Howcast - Learn how to make a fondant octopus for a beach theme cake from Angela Cuervo, winner of Food Network's Sweet Genius, in this Howcast video.

This marine marvel captivates visitors every year at New Orleans' Audubon Aquarium.

This marine marvel captivates visitors every year at New Orleans' Audubon Aquarium.

They're spineless - brainless - and absolutely mesmerizing to watch.

This marine marvel captivates visitors every year at New Orleans' Audubon Aquarium.

Scientists uncover a creepy pond creature with 24 eyes—nature's strangest stare!

The marine ecosystem intricately connects with life on land through processes like the production of DMS gas by algae, which seeds clouds and nourishes inland rainforests—rainforests that in turn return nutrients back to the sea. As...