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!

ALIEN OCEANS: Scientists Discover a Strange New Liquid Planet ššŖ
29:20

How Does Wood Turn To Paper?šŖµš
13:22

GOLDFISH MYTH: The Truth About Their 3-Second Memoryš š§
32:15