Do Ray Bradbury, Arthur C. Clarke, Jules Verne, Philip K. Dick, Hugo Gernsback, Robert Heinlein, or Isaac Asimov hold a candle to H.G. Wells when it comes to correctly predicting the future of science via science fiction? And why does...

Paul Andersen explains how to use mathematics appropriately. He begins by emphasizing the important role that mathematics plays in the life sciences today and in that the future. He describes important mathematical equations in each of...

In this episode of Crash Course Psychology, Hank takes a look at WAIS and WISC intelligence tests and how bias can really skew both results and the usefulness of those results.
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WAIS &
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Over the years, scientists have made a lot of predictions about how Earth's climate is changing, but they don't just pull those predictions from thin air.

"I Don't Think It Means What You Think It Means" examines scientific theories that have taken on a life of their own in popular culture & we help you understand what they really mean in scientific terms. Today we take on Schrodinger's...

If you go to the gym often enough, you might be familiar with protein powders and shakes, but one study thinks that the secret to big gains might actually be your gut bacteria.

The more we rely on technology to make us efficient, the fewer skills we have to confront the unexpected, says writer and entrepreneur Margaret Heffernan. She shares why we need less tech and more messy human skills -- imagination,...

Algorithms decide who gets a loan, who gets a job interview, who gets insurance and much more -- but they don't automatically make things fair. Mathematician and data scientist Cathy O'Neil coined a term for algorithms that are secret,...

Hank profiles this year's Nobel laureates in science, whose achievements have helped us understand questions as small as how our cells transport materials, and as big as why matter exists at all.

Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.

The malaria vaccine was invented more than a century ago -- yet each year, hundreds of thousands of people still die from the disease. How can we improve this vital vaccine? In this informative talk, immunologist and TED Fellow Faith...

Scientists have warned that as CO2 levels in the atmosphere rise an increase in Earth's temperature by even two degrees could lead to catastrophic effects across the world. But how can such a tiny, measurable change in one factor lead to...

There are a few theories that would suggest Jupiter's moon IO has an underground magma ocean. Hank Green explains in this episode of SciShow Space!

Some believe that increased carbon emissions could produce faster growing plants, but some scientists worry that it could mean more toxic and invasive species.

Considering humans' increased impact on the environment, we may want to reconsider whether there is still a place in our legal system for the Act of God...

Thanks to modern science and technology, we can predict what the weather will be like in 5 days, but it’s still a bit more challenging to predict what will happen to us and our societies.

If you’re getting restless from social distancing and wishing you could do more to help fight the global pandemic, here are some ways that you can help scientists fight COVID-19—all from the comfort of your home.

Ron Gutman reviews a raft of studies about smiling, and reveals some surprising results. Did you know your smile can be a predictor of how long you'll live -- and that a simple smile has a measurable effect on your overall well-being?...

Parallel Universes - Many Worlds

It's a good day to be a pirate. Amaro and his four mateys _ Bart, Charlotte, Daniel, and Eliza have struck gold _ a chest with 100 coins. But now, they must divvy up the booty according to the pirate code - and pirate code is notoriously...

Devastating earthquakes happen every year, and it's difficult to predict when they will happen. But they do follow one mathematical pattern known as the Devil's staircase.

Today from SciShow World News Headquarters (Hank's office) - news about radiation risks, the most hi-def astronomy ever, and the truth about aquatic humanoids.

Bruce Bueno de Mesquita uses mathematical analysis to predict (very often correctly) such messy human events as war, political power shifts, Intifada ... After a crisp explanation of how he does it, he offers three predictions on the...

Neuroscientist Beau Lotto conducted an ambitious study with Cirque du Soleil on the emotion of awe and its psychological and behavioral benefits. In this talk and live performance, he shares some of their findings -- and stands back as...