It's time for another trip around the solar system on the BIGGER and BETTER Science Weekly! 

This episode of the Fun Kids Science Weekly we continue our bigger and better podcast where we answer YOUR questions, have scientists battle it out for which science is the best & learn all about an oxygen discovery defying our knowledge of the deep ocean.

Dan starts with the latest science news, where we learn about the internal parts of a pre-historic creature pre-dating the dinosaurs being discovered, a breed of butterfly thought to be extinct making a comeback 60 years later and Franz Geiger from Northwestern University in Illinois, USA tells us all about dark oxygen and how it's questioning our knowledge of the sea bed.

Then we delve into your questions where Dan explains where the first bit of energy came from & Laurie Dove from How Stuff Works answers Zayn's question on why trees breath in carbon dioxide?

Dangerous Dan continues and we learn all about the Saddleback Caterpillar from the East Coast of the USA 

The Battle of the Sciences continues where Dan chats to Sam McKee from Manchester Metropolitan University about why Molecular Biology is the best kind of science?

What do we learn about?

- A pre-historic creature pre-dating the dinosaurs

- A butterfly believed to be extinct for 60 years making a return

- Dark oxygen defying our knowledge of the deep ocean

- Why trees breathe in carbon dioxide?

- Is Molecular Biology the best type of science?

All on this week's episode of Science Weekly!