You’ve been sending in your questions, and this week…
Leo asks how magnetic fields are created, Elijah wants to know why Egyptian mummies don't rot, Audrey's asking who has sharper teeth... crocodiles or sharks? And Daniel's been wondering if our Sun will ever explode!
And Professor Pulsar teaches Sam all about the structure of our planet and finds out that the earth’s crust is not made up from jam or cats!

How Does Nuclear Power Work? ☢️⚡
14:54

The Loudest Breakfast Ever: Cooking Eggs With Pure Sound Waves 🔊🥚
25:08

Why Do Mosquito Bites Itch?🦟
09:41