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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Technology Videos 

How Some Words Get Forgetted

Get ready for a dive into linguistic history! Our friend Dr. Joe Hanson from It’s Okay to Be Smart (PBS Digital Studios) goes full science nerd on the English language–and irregular verbs. Why are irregular verbs so common in English? Where do they come from? English is a confusing language for many reasons. But the irregular verbs might be the most confusing part. Why is “told” the past tense of “tell” but “smold” isn’t the past tense of “smell”? It turns out that the study of irregular verbs can teach…

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