Temperatures are rising, and greenhouse gases are being emitted faster than ever. What's a planet to do? Hank explains the recommendations of some of the world's top scientists to stem global warming.

Hank explores the science behind the first kiss -- and all the kisses that come after it -- and also sets you straight about the vernal equinox, what it is, and why this year's is special!

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

Early diagnosis of autism spectrum disorder can improve the lives of everyone affected, but the complex network of causes make it incredibly difficult to predict. At TEDxPeachtree, Ami Klin describes a new early detection method that...

It's been a year since astronomer Tabetha Boyaijan found strange signals coming from a star called KIC 8462852, aka Tabby's Star. Now, new research shows that it's even stranger than we thought. Plus, good news from spaceflight company...

A summertime look at why we sweat, why we burn, and why our fingers wrinkle in the pool

Timothy Prestero thought he'd designed the perfect incubator for newborns in the developing world -- he even won awards for it. But he and his team learned a hard lesson when their incubator completely failed to catch on. Hear his...

When a kid commits a crime, the uS justice system has a choice: prosecute to the full extent of the law, or take a step back and ask if saddling young people with criminal records is the right thing to do every time. In this searching...

SciShow Quiz Show is back, with familiar faces Hank Green and Lindsey Doe matching wits about ancient science, puppies, and all kinds of words that have “sex” in them!

Can government be run like the Internet, permissionless and open? Coder and activist Jennifer Pahlka believes it can -- and that apps, built quickly and cheaply, are a powerful new way to connect citizens to their governments -- and...

Hank enlightens you with the science behind the news, including the dynamics of recent "ice quakes," new insights into the neurology of marijuana, and the body language of victorious athletes. Winning!

From problems with the moon, to the lumpiness of earth, sea levels aren't quite as exact as we have them figured out to be.

Ever wonder what seasons are like on other planets? Astronomers are beginning to find out, and SciShow Space explains how they know, what causes the change in seasons, and what 'summer' might mean on distant worlds.

A huge amount of viewers of the HBO series Game of Thrones (not us of course, no no no) are downloading the show illegally. But despite being the most pirated show of 2012, the Game of Thrones DVDs are top sellers, breaking HBO's own...

In 1993, Bill and Melinda Gates took a walk on the beach and made a big decision: to give their Microsoft wealth back to society. In conversation with Chris Anderson, the couple talks about their work at the Bill & Melinda Gates...

We check our phones upwards of 50 times per day -- but when our kids play around with them, we get nervous. Are screens ruining childhood? Not according to children's media expert Sara DeWitt. In a talk that may make you feel a bit less...

Exoplanets are being discovered in the habitable zone to sustain life as we know it. Could water be found on the closest exoplanet to us?

Can you make a black hole out of light? Learn about the strange theoretical object called the 'Kugelblitz'.

The Greenland ice sheet is massive, mysterious -- and melting. Using advanced technology, scientists are revealing its secrets for the first time, and what they've found is amazing: hidden under the ice sheet is a vast aquifer that holds...

Faith Jegede tells the moving and funny story of growing up with her two brothers, both autistic -- and both extraordinary. In this talk from the TED Talent Search, she reminds us to pursue a life beyond what is normal.

Paul Andersen reflects on the 2013 AP Biology Exam.

Many people assume that fish are less intelligent than mammals, but it turns out that isn’t true at all - they are actually way smarter than you probably give them credit for.

SciShow News explains the science behind the latest efforts to stop the spread of ebola: including airport screenings, treatments for patients, and developments in the search for a vaccine.

This week on Crash Course World Mythology, it's the Circle of Life. And Death. And sometimes, Life again. Mike Rugnetta is teaching you about Dying Gods, by which I mean gods that die, and then return to life. You'll learn about the Corn...