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Lacks historical marker in Clover, Virginia

Why is Henrietta Lacks Important?

STEM Explained

When the cells of Henrietta Lacks were collected by medical researchers after her death in 1951, it changed the future of medicine.

Weighing the hops

Hop To It! The Science Behind Beer

STEM Explained

Brewing beer involves a series of complex biochemical reactions.

Narwhals, polar bears and other common Arctic animals swim in the Arctic waters.  Image © id-work, iStock

How are Arctic Animals in Canada Affected by Climate Change?

STEM Explained

Arctic animals have evolved to thrive in harsh arctic ecosystems, but the environmental footprint created by climate change is affecting their survival.

bees on frame held by beekeeper

How are the World's Bee Populations Doing?

STEM Explained

Bees are important for agriculture. But bee populations face threats. This resource looks at Colony Collapse Disorder, herbicides & pesticides, and more.

Salmon aquaculture pens

Farmed Salmon vs. Wild Salmon

STEM Explained

Aquaculture is seen as a sustainable way to produce fish. But are farmed salmon better than wild fish?

How big were dinosaurs?

How big were dinosaurs?

Hands-on Activities

Some dinosaurs were very big! Compare the sizes of different dinosaurs to the sizes of familiar objects you see in your community.

Swivel hook fastener

Exploring Objects, Materials and Fasteners

Lessons

Students identify and sort objects, including fasteners, according to material and purpose.

How can a person walk through a sheet of paper?

How can a person walk through a sheet of paper?

Hands-on Activities

In this challenge activity discover how one piece of paper can go a long way. It's time to think outside the box!

Goldfish

Fish: Freshwater

Picture Collections

4 images of some fish such as koi that live in freshwater river and lake environments and in freshwater aquariums and garden ponds

Canaries were once used to signal dangers to miners. - Image © Vito Cangiulli, iStockPhoto.com

How Can Birds Help Monitor the Health of Ecosystems?

STEM Explained

Scientists can observe birds to get useful information about the health of, and changes in, an ecosystem.

Clown Fish

Fish: Saltwater

Picture Collections

14 images of some fish such as lion fish, grouper and sharks that live in saltwater environments like oceans, saltwater lakes and aquariums

How can I build a rollercoaster?

How can I build a rollercoaster?

Hands-on Activities

Try your hand at building a “super coaster” using materials around your home.

Water Lily

Flowers: Cup Shape

Picture Collections

8 images of some flowerheads such as roses and water lilies whose outer petals are longer than the petals in the centre of the flower

How can I engineer a raft so that it holds the most weight?

How can I engineer a raft so that it holds the most weight?

Hands-on Activities

Explore the forces of gravity and buoyancy while designing a raft to hold the most weight possible.

Lac-Mégantic fire on the day of the train derailment

CSI Lac-Mégantic: How are victims identified after a disaster?

STEM Explained

Learn about forensic pathology and other methods scientists use, like analysing the skeletal system, to identify the dead after a disaster.