In this video Paul Andersen explains how Le Chatelier's Principle can be used to predict the effect of disturbances to equilibrium. When a reversible reaction is at equilibrium disturbances (in concentration, temperature, pressure,...

What does it really take for a planet to be habitable? It turns out, certain parts of a star system, a galaxy, and even the universe as we know it, are more habitable than others. Get to know them as Hank takes you on a tour of some of...

So what exactly is it that makes a hangover suck so hard? Turns out there are three things interacting to make you feel miserable. Hank's got the details in this episode of SciShow.

In the peat flats of Western Australia, a peculiar fish lies in wait: salamanderfish spend several months buried underground until the dry sand they live in fills with water again.

Hank explains the science behind the effects of that wackiest of weeds, cannabis sativa - aka marijuana.

As organisms decompose their chemical and bacterial components can leach into the surrounding ground and water. The bodies buried in cemeteries are no exception.

If salty water is constantly spilling into the world’s oceans, does that mean they are getting saltier by the day?

Antimony is toxic to inhale, swallow and touch, but it might also save your life.

In this video Paul Andersen explains how ionic solids form when cations and anions are attracted. When atoms lose or gain electrons they form ions. The strength of the attraction between ions is based on the amount of charge and the...

When Andres Ruzo was a young boy in Peru, his grandfather told him a story with an odd detail: There is a river, deep in the Amazon, which boils as if a fire burns below it. Twelve years later, after training as a geoscientist, he set...

When scientists first split the atom, they didn't realize what they'd done until physicist Lise Meitner figured out they had discovered what we now call nuclear fission.

Despite popular belief, different types of drinks shouldn’t make you feel any differently because they’re all ethanol. Our brains are complicated, though, and there’s more to the story than just the drink itself.

When the ancestor of cetaceans went back into the water some 50 million years ago, it left a few things behind—including the functioning of certain genes that seem like they’d be hard to live without.

Fun with Ferrofluid

While you might not think about quantum mechanics being part of your everyday life, it turns out that it might play a role in some of the most familiar things, from the sunlight in the trees to the nose on your face! Chapters View all...

Life makes our planet an incredibly exotic place compared to the rest of the known universe, says astrobiologist Betül Kaçar, whose research uses statistics and mathematical models to simulate ancient environments and gather insights...

There’s nothing boring about Bennu! From its chemistry, size, shape, and spin to its extremely old age, it proves that even the smallest objects in the solar system have a bizarre and fascinating history.

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.

It took a life-threatening condition to jolt chemistry teacher Ramsey Musallam out of ten years of "pseudo-teaching" to understand the true role of the educator: to cultivate curiosity. In a fun and personal talk, Musallam gives 3 rules...

A cure for leprosy eluded humans for thousands of years, until the pioneering chemistry work of Alice Ball. With her treatment, patients recovered enough to be discharged from the hospital by the hundreds.

All 12 days in ONE video!

Cancer treatment is hard on the whole body, but a promising treatment is looking to target cancer's appetite and leave the rest of our cells alone.

Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been...

Even though all living things have a lot in common, different organisms can have very different reactions to the same organic chemicals. That means it’s really important for organic chemists to be able to purify chemicals and separate...