Ice, Ice, Baby: Why Is Ice Slippery?

Why is there traffic? How do traffic lights work? How do they know when to turn red and green? Why does green mean go and red mean stop? Why are cars able to go faster than they are allowed to go with the speed limit? Why do we drive on the right side of the road in the United St ...  Show more

Can’t get enough of lizards? We’re back with a bonus episode answering more of your lizard questions with Adam Clause of the San Diego Natural History Museum. This week, chameleons, Komodo dragons, iguanas, monitor lizards and tuatara! How do chameleons change color? Why are Komo ...  Show more

Occasionally when we hold an ice cube or a piece of frozen metal, our fingers can literally stick to it. This physical phenomenon has an easily understandable basis. The heat from our fingers melts the ice on the surface of the ice cube. At this point, the ice turns into water an ...  Show more

How is dry ice made? Why does metal make a 'screaming sound' when dry ice is touched to it? Is it possible to make fizzy fruit with it? Why should we never put dry ice into a swimming pool?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community as always ...  Show more

If you’ve ever banged your knee pretty badly, you might have noticed the knee swells up to larger than its normal size. To ease your pain and make the swelling go down, maybe someone handed you an ice pack. But why is it ice that does the trick to reduce swelling, and does anythi ...  Show more

Learn about the Ice Age, what happens during an ice age and how long it lasts in this very short introduction from Do You Know Podcast, a podcast from English Plus Podcast Network. Find the interactive transcript and the PDF practice worksheet on https://englishpluspodcast.com/do ...  Show more