Learn about the famous red hat wearing underwater explorer Jacques Cousteau! Hosted by: Hank Green

Large clumps of wasps can occasionally be found on the tops of tall structures, and although you probably still don’t want to mess with them, these aren’t angry swarms—they’re actually super chill parties.

A marathoner needs a lot of energy to make their long distance treks, and this is no different for migratory birds. But how are these marathon flyers getting that energy from the mud they’re slurping off of beaches along the way?

You might have heard that one year in a dog’s life is equivalent to seven in a human’s. But it turns out that the real ratio is both higher AND lower—depending on your dog’s current age.

There’s still a lot of work to be done before HIV is cured, but this week scientists reported the second-ever case of full HIV remission in a patient.

You've heard of Breast Cancer, Skin Cancer, Colon Cancer, and many others. But this specific cancer was something entirely different—it took a research team five months to diagnose this specific cancer case, and that’s due purely to its...

The most advanced robots in the world might not be exactly what you’re expecting. But they’re shaping humanity’s future. Hosted by: Michael Aranda

Hank tells us about the Mayan calendar & why December 21, 2012 will not be the end of the world.

Michael Aranda substitutes for Hank again in this week's News to tell you about the winners of the 2012 Visualization Challenge, an annual competition run by the journal Science that selects the most elegant and educational graphics,...

If you know one thing about mosquitoes, it’s probably their lust for blood. But there’s actually one species that almost never bites, even though it can. Could finding out why help us combat blood-borne diseases? Hosted by: Michael Aranda

Hank describes some of the best explanations that neurologists have come up with to account for the strange sensation we know as déjà vu.

A true "Renaissance Man", inventor, artist & scholar Leonardo da Vinci was one of the most diversely talented individuals of all time. His "unquenchable curiosity" led him to make discoveries and inventions that were beyond his time, not...

Hank talks about chimeras, and why Venus the cat probably isn't one - but your mom might be!

You might have heard that exposure to unnatural lights from digital devices can hurt your eyes. But is that true? Hosted by: Stefan Chin

How does heat affect airplanes? Turns out heat, speed and density connect to create dangerous situations.

After a tough gym sesh, your muscles are likely pretty sore—that means they're growing right? Find out about what's actually happening in your body when your muscles are sore on this new episode of SciShow! Let's go! Hosted by: Hank Green.

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.

The smell of freshly cut grass on a warm summer day might make you think of lazy days in a hammock, sipping lemonade. But to the mangled grass producing that scent, it is the pungent perfume of pure terror...

Have you ever wondered what those things are on airplane wings? You know, those little angled bits of metal? Watch to learn what they are and how they’re used!

Scientists have had a variety of hypotheses about how chemical stress can affect DNA to cause aging, but a new study has just shown the process in action. Hosted by: Hank Green

Potato spindle tuber disease wasn't a life-or-death situation, but it led to the discovery of viroids: infectious, replicating bits of RNA

Did Thomas Edison invent the lightbulb? I mean... kind of... but also... no. Every great, world-changing invention is the culmination of efforts by dozens or hundreds of people, spanning decades or centuries.

What did the recent study using the CRISPR gene editing technique actually entail, and what did we learn from it? Hosted by: Hank Green

We are in spring! And with spring come bees! In this episode of SciShow Compilation we bring the best episodes of bees and honey!