Your search for "dont be dumb" returned 211 results
Did you know you can't sneeze in your sleep? It's true, and Josh explains why here. Plus! Bonus info on people in persistent vegetative states.
Did you know that you have the equivalent of a car's worth of weight pressing down on you at all times thanks to the atmosphere above? It's true and by watching this you can be a lot smarter.
If you put all of the living organisms on planet earth on a huge scale, the weight you'd come up with is called biomass. Join Josh as he uses his noodle to calculate the answer.
Have you ever heard that dogs only see in black and white? That's a dirty lie. It turns out dogs can see some colors in the spectrum and Josh is here to tell you which ones and how.
People love to talk about what's the biggest, what's the smallest, what's the oldest, all that stuff. So sit there as Josh does it too about the largest organism in the world, okay?
There's this urban legend out there that if you flash your lights at a car with its headlights off, the gang members in the car will chase you and kill you. That's not true. Listen to Josh as he explains.
You know that thing that hangs down from the roof of your mouth in the back of your throat? That thing actually has a reason for existing, but scientists aren't entirely sure why. Josh is sure, though.
Did you know the FDA just kind of made up the idea that you need 2000 calories a day to live (and laugh and love)? It's true. Get busy with the facts about caloric intake with Josh.
Have you ever wondered how many people have ever walked the face of the Earth? Turns out a demographer made a rough calculation. The answer: A lot.
You know how there should be aliens all over the place but there aren't? There's a guy named Fermi who wondered this same thing and they named a paradox after him for it. Which makes him a lucky duck.