Unit 1: Maintaining Dynamic Equilibrium II

This backgrounder explains what light is, how it is measured, and how it affects people on Earth and astronauts on board the International Space Station.

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.

What is a reflex? Test your reaction time and find out why reflexes are important in this challenge activity.

Snake venom can be dangerous for your circulatory system, nervous system or muscular system. But it can also be very useful in medicine.

How is light connected to the colours we see? In this STEAM activity make a colourful light catcher and discover why we see different colours?

Explore the concept of persistence of vision in this hands on activity.

How do our bodies get cold? How do sleeping bags keep us warm?

How does the human eye see visible light as colour? And why do some people see more colours than others?

Panic attacks are scary and they upset your body’s chemical equilibrium. Learn what happens to acids & bases in your circulatory system during a panic attack.

The human eye lets us see the world by sending impulses to our nervous system. In many ways, it is very similar to other optical devices, including cameras.

Researchers have found that consuming foods rich in flavanols is linked to more efficient blood flow, which can improve brain function.

Heavy metal is a term for some toxic chemical elements. They can cause problems like bioaccumulation, but are useful in nuclear medicine and medical imaging.