Ice, Ice, Baby: Why Is Ice Slippery?

Some questions are so big they’re existential, meaning that they get right to the heart of human existence. These are also sometimes called philosophical questions, so for this episode we called up a professor of philosophy, Scott Hershovitz, who teaches at the University of Mich ...  عرض المزيد

Why did the dinosaurs go extinct? Many of you have learned about the meteorite that scientists say hit the earth 66 million years ago and killed off many dinosaur species. But some dinosaurs survived, and the birds you see flying around today are their direct descendants! In this ...  عرض المزيد

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 ...  عرض المزيد

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 ...  عرض المزيد

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 ...  عرض المزيد

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 ...  عرض المزيد