the science of fear, anxiety, and phobias Biology Education Videos 

The Science of Fear, Anxiety, and Phobias

What happens to you when you feel fear? What about anxiety? And while we’re on the subject, what is a phobia, anyway? Today, Science with Sophie spoofs TV to bring us PHOBIA FACTOR and expose our greatest fears… and why we have them. Featuring TUGGS THE CORGI – back by popular demand. We love you, Tuggs! There is a science experiment inside this video! To join Sophie in conducting the simple science experiment in this episode, you’ll need: a timer a notebook a pencil your heartbeat Go find those things…

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Proof of evolution is in your DNA Anthropology Biology Education Genetics Videos 

Proof of Evolution Is in Your DNA

Another great video from our friend Dr. Joe Hanson and the team at It’s Okay to Be Smart, brought to you by PBS Digital Studios. This time, we’re looking at the proof of evolution that’s embedded right there in our DNA. Humans are special, and we got that way thanks to evolution and natural selection. The proof is right there in our bodies! From anatomy to genes, here are some stories of how you got to be the way you are. Dr. Joe Hanson, It’s Okay to Be Smart References…

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7 Scientific Urban Legends Debunked Education Videos 

7 Scientific Urban Legends Debunked

How reliable is common knowledge? If a large number of people believe something, that doesn’t make it true. Dr. Joe Hanson of the It’s OK to Be Smart series from PBS Digital Studios debunks 7 scientific urban legends. He also makes a compelling argument for why we desperately need open-access science information and effective communication. Sometimes common knowledge is wrong. For common knowledge to be right, then knowledge needs to be, well, common. It sounds like such an incredible fact. “Our own cells are outnumbered by our microbes 10 to…

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Astronomy Physics Technology Videos 

How to Drink Coffee in Space

Many of us remember being in a school assembly when an astronaut came to speak. The question on every kid’s mind (and teacher’s mind too, let’s be honest) was, “How do you go to the bathroom in space?” But what about other important things involving liquids in space? As it happens, there is a lot of research surrounding the behavior of fluids in zero gravity, such as how to drink coffee in space. In this video, our friend Dr. Joe Hanson from It’s OK to Be Smart explains why this…

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Biology Videos 

It’s Okay To Fart

Farting is hilarious and gross and everyone is doing it so why can’t we talk about the science of it?! Flatulence, passing gas, cutting the cheese, toots… whatever you call it, it’s natural. Humans pass gas about 20 times a day on average, and collectively, we fart about 7 billion liters of gas each day! Here’s how it works. Farts are either the result of trapped, swallowed air being expelled from the body, or as byproducts of the microbes living in your gut. In this episode of It’s Okay to Be Smart,…

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Biology Videos 

Is Height All In Our Genes?

Dr. Joe Hanson is tall. Most of the people in his family are tall. Does that mean his son will be tall? Turns out the inheritance of height is a lot more complicated than we thought. Scientists know that nature (genes) and nurture (environment) both play a role, but after more than a century of questions, we’re only just now starting to get some answers. In this episode of It’s Okay to Be Smart, learn how the average height of humans changed over time due to agriculture, migration, and industry.…

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Animals Biology Health Videos 

Will You Still Eat Raw Fish After Watching This Video?

Sushi, sashimi, and poke are delicious. Why? It’s because they’re all made of raw fish! But, have you ever noticed that warning about raw or undercooked seafood at the bottom of restaurant menus? Have you ever wondered why it’s there? It’s there because fish carry a ton of parasites. And if the fish aren’t prepared correctly, then those parasites can make it into your body. This fishy intersection with the wild world of parasites can teach us a lot about how these moochers help keep ecosystems healthy, and why we…

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Biology Health Videos 

How Habits Are Formed

Got a bad habit you just can’t seem to break? That’s because a habit is literally wired into your brain. Every single thought, action, and feeling changes your brain. When repeated enough times, a habit is formed. Some are good, some are bad, but you’re not likely to forget any of them without serious effort. Millions of people, every day, wake up and brush their teeth. Why do we do this? Because we formed a habit. But how do habits form? Well, it all comes down to neuroscience and the…

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Animals Biology Genetics Videos 

Science with Sophie: Dogs

Do dogs really exist? Okay, we know dogs really exist. But how do you know if something really exists if you can’t see it? On this episode of Science with Sophie, Sophie explores why it’s so important to do your own research, as well as how genetic traits as passed down. And as a bonus, you’ll learn all about the history of dogs, complete with at least five different canine cameos. Do the science experiment with Sophie To do the science experiment, you’ll need these things: something to write on something…

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Science with Sophie: Scabs, scab Biology Education Health Videos 

Science with Sophie: Scab Science

Scab Science It’s happened to all of us. You’re running or riding your bike, you slip, you fall, and you skin your knee. After a few days, you notice that the cut where you skinned your knee has formed a scab. What happens to our bodies when we get hurt? Why do we get cuts, and why do we get scabs afterward? Learn how white blood cells, proteins, and skin cells work together to help you get better after you get hurt in this episode of Science with Sophie! Do…

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