NASA recently sponsored new research into turning human waste into useful things, like food and plastic. And it might be used on long-term spaceflight someday.

Be blown away with this episode of SciShow News as Hank talks about using the power of one of earths most powerful energy sources: Volcanoes!

Hank clarifies, corrects, and generally straightens out the origins of the terrific heat inside the Earth. It's not only from the collisions and pressure that date back to Earth's formation, it also involves the transport of heavier...

Your favorite athlete closes in for a win; the crowd holds its breath, and at the crucial moment ... she misses the shot. That competitor just experienced the phenomenon known as "choking," where despite months, even years, of practice,...

Real narratives are complicated: Africa isn't a country, and it's not a disaster zone, says reporter and researcher Leslie Dodson. She calls for journalists, researchers and NGOs to stop representing entire continents as one big tragedy.

Hawaii's Kilauea volcano suddenly erupted last week. It's happened before, so why are eruptions so hard for scientists to predict?

Lice don’t just thrive in the biomes of body hair and fur, they can also live in a place that seems like it should be bug-free: the oceans.

In 1895, crowds flooded Coney Island to see America's first-ever looping coaster: the Flip Flap Railway. But its thrilling flip caused cases of severe whiplash, neck injury and even ejections. Today, coasters can pull off far more...

Hank Green presides over this battle between the other two hosts of Eons. They know dinosaurs, but how much do they really know about industrial grease?

Paul Andersen shows you how to use a sphygmomanometer to measure the systolic and diastolic blood pressure. The the describes the elements of the laboratory portion. The temperature is gradually lowered and the respiration rate of a...

We must face our fears if we want to get the most out of technology -- and we must conquer those fears if we want to get the best out of humanity, says Garry Kasparov. One of the greatest chess players in history, Kasparov lost a...

A new experimental design that can sustain mouse embryos outside the uterus means that soon, we may be able to watch mammalian embryo development in real time.

Human growth has strained the earth's resources, but as Johan Rockström reminds us, our advances also give us the science to recognize this and change behavior. His research has found nine "planetary boundaries" that can guide us in...

Some elements can basically be liquids and solids at the same time, which is a whole new state of matter, and scientists have discovered a new species of human in the Republic of the Philippines!

Hank uses a favorite subject of the YouTube community - the potato gun - to teach us about the principles of pneumatics, which use the potential energy of compressed gas to do work in lots of useful machines every day.

Ever wondered what causes that strange tingling feeling? Well, settle in as Quick Questions explains how it works. Just be careful how you sit.

SciShow Space shares the latest news from around the universe, including a wrap-up of the experiments conducted in the last space station mission, a test of a new "flying saucer" device from NASA, and new life for our old friend, the...

When you were a kid, did anyone ever tell you that your head would explode if you hung upside down for too long? Well... they might have been on to something.

Earthquakes shake a lot of things up, but after decades or even centuries, it might be a little tough to figure out when or even where one may have happened. Luckily, nature has a few ways of letting us know.

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...

With vibrant video clips captured by submarines, David Gallo takes us to some of Earth's darkest, most violent, toxic and beautiful habitats, the valleys and volcanic ridges of the oceans' depths, where life is bizarre, resilient and...

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.

The Heisenberg Uncertainty Principle might not mean what you think it means: Hank clears things up for us in this edition of IDTIMWYTIM, by distinguishing between the Uncertainty Principle and the Observer Effect, which are often conflated.

Explore the process of osmosis in this updated Amoeba Sisters video! Video features real life examples of osmosis, important vocab, and introduces concept of water potential and turgor pressure in plant cells. Expand details for table of...