How much air do I breathe in?
Hands-on Activities
Learn how to measure lung capacity and about the factors that can affect our lung capacity in this hands on activity.
Humidity on Earth and on the Space Station
Backgrounders
Humidity is an important part of life on Earth and life in space. This backgrounder explains what humidity is, how it is measured and how it affects us both mentally and physically.
How fast can you react?
Hands-on Activities
What is a reflex? Test your reaction time and find out why reflexes are important in this challenge activity.
Careers: Dietitian
Picture Collections
5 images of some work that a dietitian might do such as educating patients about how food affects their health