Our atmosphere is made up of a blanket of gases surrounding the planet. It helps protect and keep us warm – and studying it can give us helpful information about the climate and how it changes. Marina and Map App find out more.

Choosing a new school: what was your first day really like?
02:16

Choosing a new school: what’s the best thing about your school?
01:03

Choosing a new school: the questions to ask on a school tour
02:07