Hello, smarty listeners, please take a moment and leave us a five-star Apple rating review.

It not only helps us grow the show, but we might also read your review on Who Smarted.

So do it now. And don't forget, you can listen to Who Smarted anywhere, including Apple podcasts,

Spotify, and Amazon Music, including hands-free listening powered by Alexa on all Apple, Android,

and Echo devices. Hey, smarty pants, tell me, when the sun is shining and the weather's nice out,

how do you like to get around? Go ahead, shout out some answers.

I heard running skateboarding.

Scooter, I check out this trick. Put on roller blades and fly a kite and let it pull you.

I'm not so sure about that last one. I also heard a lot of you say you like to ride your bike.

And whether you're sporting a small wheeler, middle wheeler, road bike, cruiser, mountain bike,

dirt bike, or BMX, riding a bike is pretty awesome. And if you don't know how to ride one yet,

all it takes is practice. And the best part is, once you learn how to ride a bicycle, you never forget.

It's just like riding a bike. Simply put, bikes are super popular. More than half of all the people

in the world know how to ride a bike. And according to some estimates, there are more than two

billion bikes on the road right now. That means there are more than twice as many bicycles worldwide

as there are automobiles. People use bicycles to get to work, run errands, stay in shape, or just

have fun. Want to go for a ride? But how are bicycles invented? How are you able to balance on them?

And how come you never forget how to ride one? It's time for another whiff of science on...

Who smart egg? Who smart egg? Who smart is it you? Is it me? Is it science? Or history? Listen up!

Everyone, we make smart egg lots of fun on who smart egg?

No matter where you live, there's a good chance you'll see people riding bicycles. Maybe you even

rode one today. But believe it or not, bike riding is a relatively new activity, huh? The first

...