Cybercrime netted a whopping $450 billion in profits last year, with 2 billion records lost or stolen worldwide. Security expert Caleb Barlow calls out the insufficiency of our current strategies to protect our data. His solution? We...

On April 3rd, the U.S. Centers for Disease Control and Prevention started recommending that people wear a mask over their face when they go out in public. Except, for many of us, this isn’t the message we’ve gotten for the last couple of...

As we continue explore free will, today Hank considers a middle ground between hard determinism and libertarian free will: compatibilism. This view seeks to find ways that our internally motivated actions can be understood as free in a...

In 1995, the British Medical Journal published a report about a builder who accidentally jumped onto a nail, which pierced straight through his steel-toed boot. He was in such agonizing pain that any movement was unbearable. But when the...

Zombies aren't coming for you brains, but for an unfortunate species of bats, the terror of seemingly sweet songbirds developing a taste for brains is a horrific reality.

Learn why tuberculosis, TB, is the world’s most infectious disease and how medical advancements are improving treatment. -- In 2008, two 9,000-year old skeletons were found with their bones infected by an all too familiar bacterium....

Twins can be a lot more complicated than just identical or fraternal, and the rarer types of twins suggest that we have a lot more to learn about human development.

In the 1980s and 90s, pharmaceutical companies began to market opioid painkillers aggressively, while actively downplaying their addictive potential. The number of prescriptions skyrocketed, and so did cases of addiction, beginning a...

You might want a really sturdy umbrella to dig into this video, because we’re discussing 5 animals that have a tendency to rain down from the sky and the reasons we think this might be happening!

Having trouble sleeping? In this episode of SciShow, Hank explores different kinds of sleep disorders, from insomnia to apnea to sleepwalking.

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PRIMARY INSOMNIA NO OTHE
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Diane Benscoter spent five years as a "Moonie." She shares an insider's perspective on the mind of a cult member, and proposes a new way to think about today's most troubling conflicts and extremist movements.

After his HIV diagnosis, former pro rugby player Gareth Thomas set out on a mission to tackle the stigma and shame that prevent people from getting the testing and care they need. In this empowering talk, Thomas shares his mission to...

The biggest challenge in a parasite's life is to move from one host to another. Intriguingly, many parasites have evolved the ability to manipulate the behavior of their hosts to improve their own survival -- sometimes even by direct...

Edward Norton and Jim Carrey might be charming actors, but their film portrayals of people with multiple personalities aren’t even close to accurate.

There’s no doubt that lithium has a diverse list of uses. But the way that it interacts with our bodies to help treat bipolar disorder is aiding us in better understanding the disorder and potentially developing new drugs to combat it.

Mumbling fantastical gibberish; devouring blocks of cheese in the nude; peeing in places that aren't toilets; and jumping out of windows. These are all things people have reportedly done while sleepwalking, a behavior that can be...

We've talked a lot about modeling data and making inferences about it, but today we're going to look towards the future at how machine learning is being used to build models to predict future outcomes. We'll discuss three popular types...

Babies cry a lot, but some babies cry a lot more than others. These babies are said to have colic - and doctors aren’t totally sure what causes it.

If you've received a vaccine that's 95% effective, that does not mean you have a 5% chance of getting sick. That’s just not how the numbers are calculated. So let’s take a closer look at how it does work, why we can’t compare these...

Unlike with many other viruses, once you get a herpesvirus you’re stuck with it for life. But just how do these master trespassers accomplish this feat?

A male firefly emits a series of enticing flashes. He hopes a female will respond and mate with him. A female from a different species mimics his patterns: by tricking the male, she lures him in -- and turns him into a meal. Where else...

From A positive to O negative, everyone's born with a blood type, and they're stuck with that blood type for their whole lives... or are they?

Learn about 10 plants that could kill you in SciShow’s first List Show!

Every day, we are bombarded by attention grabbing headlines that promise miracle cures to all of our ailments -- often backed up by a _scientific study." But what are these studies, and how do we know if they are reliable? David H....