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Tinnitus, or ringing in the ears, often...

Popular food dyes Red 3 and titanium dioxide are in everything from toothpaste to your strawberry milk. But multiple U.S. states and the EU are trying to ban them. Are they safe?<br/>

The chemistry behind film photography is pretty fascinating. How do film cameras help us turn light into a physical image?

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

Long lines, metal detectors and pat downs are a common staple of the airport process. But are these security measures actually efficient and effective? Join Michael Aranda for a new episode of SciShow where he breaks down the science of...

Schizophrenia was first identified more than a century ago, but we still don’t know its exact causes. It remains one of the most misunderstood and stigmatized illnesses today. So what do we actually know about its symptoms, causes, and...

Lindsay Amer is the creator of "Queer Kid Stuff," an educational video series that breaks down complex ideas around gender and sexuality through songs and metaphors. By giving kids and their families a vocabulary to express themselves,...

BPA has had some bad press, and now we're all wondering: Is BPA bad for us? Michael Aranda goes into how we encounter BPA in our lives and how it affects us.

Radiation sickness been portrayed in movies and television for more than 50 years. And those portrayals vary a lot. But if there’s one thing pretty much all these portrayals have in common, it’s that they get radiation sickness wrong—at...

It’s not a huge surprise that nature is beneficial to our mental health. But why?

During the period of rapid industrialization at the turn of the 20th century, factory jobs were incredibly unsafe. That is, until Dr. Alice Hamilton basically became an investigative reporter to figure out how factories were poisoning...

How often do you think about the air you're breathing? Probably not enough, says entrepreneur and TED Fellow Romain Lacombe. He introduces Flow: a personal air-quality tracker that fits in your hand and monitors pollution levels in real...

Why does too much sun turn some people's skin all red and shiny? Quick Questions explains!

Herein we explain how pets can help your immune system, beginning when you're in utero!

Sperm count in Western countries has been dropping for over a hundred years, and scientists have some ideas as to what’s behind this swimmer shortage.

We're enjoying the summer here in Montana, and to help celebrate we thought we'd put together a compilation of our favorite sun-related episodes from our past. Don't worry, you won't need sunglasses for this one!

SPF seems pretty simple. Find a high number, rub some on your nose, and you're ready for some sunshine. Unfortunately the science behind it is a little more complicated.

There’s a lot of confusion about tear gases—what they are, what they do, and whether they can cause long-term harm. Here's what we know.

SciShow Space News explains what happened to Philae, the first spacecraft on the surface of a comet, and shares what scientists say about the future of the mission.

In 1995, scientists pointed the Hubble Telescope at an area of the sky near the Big Dipper. The location was apparently empty, and the whole endeavor was risky _ what, if anything, was going to show up? But what came back was nothing...

What does it actually mean when a label says something ‘causes cancer’? Those labels can be misleading, but knowing the legal and scientific reasoning behind them can help.

Hank revisits his passion for exploring the Red Planet, breaking down the two biggest challenges of sending humans to Mars: radiation and propulsion. He explains the science behind the obstacles future Mars-bound astronauts...

You might think you know how to survive if you end up stranded in the wild, but those tips you read on the internet might just make things worse!

Some tips seem too good to be true, and they are. Others are ingrained...

The origins of the cameras we use today were invented in the 19th century. Or were they? A millenia before, Arab scientist Alhazen was using the camera obscura to duplicate images, with Leonardo da Vinci following suit 500 years later...