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Birds flying near a wind farm

Are wind farms a threat to wildlife?

STEM Explained

Wind power is a growing source of electricity generation. But wind projects often affect local wildlife populations, and researchers are using environmental monitoring techniques to alleviate some of these impacts.

Teenage boys arm wrestling at school

Arm Wrestling and Torque

STEM Explained

Arm wrestling isn’t just a test of strength. It’s also a test of how well you understand torque.

Billiard balls and a cue stick on a felt-covered table (PIRO4D, Pixabay)

Billiards and Collisions

STEM Explained

The game of billiards shows the principles of collisions, momentum & impulse, and kinetics at work!

White Swan

Birds: Aquatic

Picture Collections

12 images of some birds such as seagulls, puffins, ducks and Canada Geese that live on or around freshwater or saltwater habitats

African Penguins

Birds: Flightless

Picture Collections

4 images of some birds such as emus and penguins that have less developed or small wings and have evolved over time not to be able to fly

Rooster

Birds: Landfowl

Picture Collections

4 images of some birds that are heavy-bodied and ground feeders such as turkeys, pheasants and peacocks

heavy metal band

A Taste of Heavy Metal

STEM Explained

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.

Test tubes in a laboratory

DNA Extraction

Backgrounders

Learn the basics of how DNA can be extracted from cells.

Damage to DNA

Radiation Effects on Cells & DNA

Backgrounders

This backgrounder explains the effects of radiation on cells and DNA.

Eruption on the surface of the Sun

What are Cosmic Rays?

Backgrounders

This backgrounder has information about both cosmic & neutron radiation.

Planet and asteroid orbits around the Sun

Orbital Mechanics

Backgrounders

This backgrounder helps explain the laws of Orbital Mechanics, including Newton’s Laws.

Container ship in St. John’s harbor, Newfoundland, Canada

Why do Ships Float?

STEM Explained

Have you ever been on a ship and wondered how you’re staying afloat? The answer is buoyancy!

Opening can of pop

The Chemistry of Pop

STEM Explained

There’s a lot of cool chemistry in a can of pop! Learn how solubility, chemical equilibrium, acids & bases and gas laws work in some of your favourite drinks.

3.7 V lithium-ion battery

How does a lithium-Ion battery work?

STEM Explained

Learn about the electrochemistry in the batteries that power many of the devices you use every day.

Close-up of an amethyst geode

What is a Crystal?

STEM Explained

Learn what makes a crystal a crystal.