Health

Learn how test foods for starch.

Why does drinking too much alcohol make people feel so bad? Read about four theories.

We all know someone who has been affected by cancer. What causes cancer? Why is it getting more common?

Astronauts can experience bone loss in space. To understand why, you need to know a bit about how bones are formed and maintained in your body.

Make a model of blood and learn about the function of each of the parts that makes up blood.

This backgrounder explains what greenhouse gases are and how they contribute to climate change.

Many people have had children using assisted reproductive technologies. But some of these medical biotech techniques can raise some ethical issues.

Teen brain development prepares teens for adulthood, but also affects their emotions.

This backgrounder explains what temperature is, how it is measured, how it affects people, and how it is controlled on the International Space Station.

Temperature is an important part of life on Earth and life in space. This backgrounder explains what temperature is, how it affects people and how it is controlled on the International Space Station.

Spending time outside has important physical and psychological benefits. It can even help you learn better!

When you cut your finger, your immune system kicks in to protect you from pathogens.

Viruses can make you feel awful! This article explains how feeling bad might be your immune system’s way of helping you heal.

What's tasty, abundant and high in protein and vitamins? Bugs! Bugs feed about 2 billion people each day. They also hold promise for food security and sustainability.

What is the difference between sound and noise? How do they affect your hearing? And is noise always a bad thing?