SciShow
The Ocean's Most Important Crystal
When we think of the ocean and what's in it, you probably think of stuff like fish, or salt, or seaweed. But there's a crystal that is so vital to marine life that they take dissolved materials in that salty water and build it...
SciShow
The Human Era Has an Official Start. It’s a Lake in Canada
Recently, a group of scientists have declared that the start of the Anthropocene, the time of outsize human influence on Earth, to be Crawford Lake in Canada. But how can a time be a place? We'll explain, and maybe grab some maple syrup.
SciShow
How Do Oysters Make Pearls?
Quick Questions gives you the low-down on how oysters turn a tiny bit of gunk into a lovely, valuable pearl. ----------
SciShow
What is Your Poo Telling You? What You Should Know About Poop
We know that everyone poops, but what is your poo actually telling you? Here on SciShow, we've talked a lot about poop and the science behind it—so today's episode is a compilation of answers to your poop related questions! Join Stefan...
Bozeman Science
Coral Bleaching
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...
SciShow
The Alien Egg Experiment
Hank brings us another simple experiment that demonstrates the important biochemical process of osmosis by turning a chicken egg into a frightening alien-looking thing.
MinuteEarth
How to Make a Seashell - Just Add Water
Why do shell building living creatures live near the surface of the ocean? Learn how chemistry creates a dissolving depth for calcium and determines where shell builders can live.
SciShow
Mysterious Mars News
Hank brings us news from planets all around the solar system: Mars, Mercury, and even planet Earth have been in the news lately. A retraction from NASA about the Curiosity mission; the discovery of water and organic material in craters...
TED Talks
Michael Pawlyn: Using nature's genius in architecture
How can architects build a new world of sustainable beauty? By learning from nature. Michael Pawlyn describes three habits of nature that could transform architecture and society: radical resource efficiency, closed loops, and drawing...
SciShow
5 Clues to Earth's Climate History
As Earth’s climate changes, one of the hardest things to figure out is exactly how the planet will change in response. And while we can’t know the future for sure, we can get a lot of good clues from the past.
TED-Ed
TED-Ed: What if cracks in concrete could fix themselves? - Congrui Jin
Concrete is the most widely used construction material in the world. It can be found in swathes of city pavements, bridges that span vast rivers and the tallest skyscrapers on earth. But it does have a weakness: it's prone to...
Crash Course
Buffers, the Acid Rain Slayer: Crash Course Chemistry
In this episode, Hank talks about how nutty our world is via Buffers! He defines buffers and their compositions, talks about carbonate buffering systems in nature, acid rain, pH of buffers, and titration. Plus, a really cool experiment...
SciShow
White Sand Beaches: You're Sunbathing on Fish Poop
Find out how parrotfish, zooxanthellae, calcium carbonate (aragonite), and poop combine to make the white sandy beach sunbathers love.
SciShow
SciShow Quiz Show: Jessi Knudsen Castañeda
Hank and the gang return with SciShow Quiz Show, where Sci Show's resident geniuses compete to win prizes for our subscribers!
TED Talks
TED: Discovering ancient climates in oceans and ice | Rob Dunbar
Rob Dunbar hunts for data on our climate from 12,000 years ago, finding clues inside ancient seabeds and corals and inside ice sheets. His work is vital in setting baselines for fixing our current climate -- and in tracking the rise of...
TED Talks
Janine Benyus: Biomimicry's surprising lessons from nature's engineers
In this inspiring talk about recent developments in biomimicry, Janine Benyus provides heartening examples of ways in which nature is already influencing the products and systems we build.
SciShow
How Do Oysters Make Pearls?
Quick Questions gives you the low-down on how oysters turn a tiny bit of gunk into a lovely, valuable pearl.
TED Talks
Richard Sears: Planning for the end of oil
As the world's attention focuses on the perils of oil exploration, we present Richard Sears' talk from early February 2010. Sears, an expert in developing new energy resources, talks about our inevitable and necessary move away from oil....
SciShow
Phytoplankton: Arguably the Most Important Life on Earth
There are incredible creatures living in the ocean that have the power to reshape the planet’s atmosphere - and you’ve probably never even seen them before. These microscopic critters are called phytoplankton, and almost all life, both...
SciShow
The First Room Temperature Superconductor! (Still No Hoverboards) | SciShow News
Hot off the presses, this week has been cool! Researchers have discovered the first room-temperature superconductor, and another group has created a type of paint that actually stays cooler than the environment around it!
Crash Course
What is Weathering? Crash Course Geography
Weathering breaks down rocks and creates sediments which become the raw materials for other rocks and the formation of our soils. And we call the process of moving that sediment erosion. In today's episode, we're just going to focus on...
TED-Ed
TED-Ed: How do oysters make pearls? | Rob Ulrich
Despite their iridescent colors and smooth shapes, pearls are actually made of the exact same material as the craggy shell that surrounds them. Pearls, urchin spines, the shells of mussels, snails and clams, even coral— all these...
SciShow
This Animal Has a Retractable Anus
Most animals keep their poop chutes on the opposite side of their body from where they eat. But that doesn’t mean it’s always the case, and bryozoans are great examples of how creative you can get with where you put your anus.
SciShow
The Most Incredible Octopus You’ve Never Heard of: The Blanket Octopus
All octopuses start out as teeny, tiny plankton, and most grow up to settle down on the seafloor. The blanket octopus, however, never settles down, and spends its life wandering the open ocean.