When you see a black cat, you might think of witches and goth bands, but they're also a great example of a melanistic animal, and they're not the only ones!

When birds and squirrels cache food for the winter, it means they have to remember where to find that food later. Their strategies for finding their hidden feasts includes memory tricks and changing brains.

Nobody agrees on how many organs you have, or the exact criteria for a cluster of cells to be called one. But as it turns out, simply identifying a part of the body as an organ can lead to medical breakthroughs.

Scientists have developed a way to grow miniature versions of human organs; some of the weirdest organoids are the mini brains.

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

Fat cells don't often receive praise in everyday life, but they probably deserve more credit, as they might be healing our wounds.

This week, scientists have managed to make tear gland organoids that cry, and have also found a bunch of new genes involved in eye color!

While viruses can be deadly and completely wreak havoc on humanity, they can also sometimes change our world for the better. Join Hank Green for a new episode of SciShow and learn the truth about the viruses that have shaped humanity...

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...

A new healing gel helped mice regrow brain tissue after a stroke, and scientists suspect someone out there is producing a bunch of ozone-destroying CFCs in defiance of an international agreement! Hosted by: Hank Green

3 billion base pairs is a pretty typical genome size for organisms like us, but there are a few plants and animals with genomes so huge they completely blow this number out of the water. Hosted by: Olivia Gordon

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

Two YouTube musicians battle it out to see who shall sing a song of victory.

Set against the backdrop of the COVID-19 pandemic, the rise of vaping-related lung injury over the past few years has complicated things since it can cause an uncannily similar host of symptoms to COVID-19. So, let’s take a closer look...

Hank and PhD Candidate Joanna Kreitinger discuss research being performed on dendritic cells in relation to the immune system. Later, Jessi from Animal Wonders joins to show us the emperor scorpions.

Scorpion venom and insect poison sound really deadly, but scientists are increasingly turning them into medical treatments that save millions of lives. Hosted by: Hank Green

What's the scoop on slime? You may have seen green slime on some TV show challenges, but turns out there is some pretty cool slime that occurs naturally in nature! For some animals, slime is vital to their daily lives! Join Stefan Chin...

You've seen your fruit get moldy, or maybe your bread products. Sometimes old meat gets a funky smell. But what is actually happening scientifically when your food goes bad? It's pretty interesting. Join Hank Green for a new episode of...

What is the science behind doppelgängers? In this fun episode of SciShow, two bespectacled science YouTubers enter, one bespectacled science YouTuber leaves ... because while they may look suspiciously alike, Joe Hanson has his own...

People like to say all kinds of things about protein – like, you need to eat lots of it to build muscle and lose weight. The truth is, the science of protein and how your body uses it is much more complicated than that. Hosted by: Hank...

There are naturally occurring toxins on Earth that are SO poisonous that one drop could kill thousands of people. How is that possible? What about their chemical makeup makes them so poisonous? Join Hank Green for an exciting look into...

Cancer is a terrible disease that often ends up the subject of a lot of speculation. In this episode, we'll be debunking these 6 common myths about cancer. All of this stuff seems plausible, but these misconceptions just don't hold up....

Your body has all sorts of complicated processes going on, and a lot of them are carried out by incredibly powerful molecules. We’re not talking nutrients -- we’re talking about 5 of the molecules that keep you ticking!