STEM Explained

One-third of all food produced is wasted. Learn about the environmental consequences of food waste, and what you can do about it.

Dmitri Mendeleev’s version of the periodic table was brilliant - find out why!

Learn how a team of Canadian engineers used Bernoulli’s Principle to design a human-powered helicopter. It set a world record for human-powered hovering flight!

Cloning makes it possible to bring extinct species back to life. But is that a good idea?

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.

Ever dreamed if overcoming gravity and flying away? Using aerodynamics, wingsuit jumpers get as close to flight as humanly possible.

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

Litter isn't just a problem on Earth. When litter ends up in space, it can cause collisions and other consequences for satellites, the International Space Station and even for people on Earth!

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.

Every time you wash your hands with soap, there are complex chemical reactions taking place.

The surface of the Earth is constantly moving, and earthquakes and volcanoes occur, because of plate tectonics.

Learn the organic chemistry behind this very useful plastic. Why is recycling polystyrene hard? Why does polystyrene often end up as solid waste?

One of the greatest hazards that humans in space face is cosmic radiation. Learn what cosmic radiation is, why it's dangerous, and ways that we are looking at protecting humans in deep space.

How will arctic ice melt from climate change affect exploration, scientific research and geopolitics?

The water in the oceans has travelled vast distances. It has even time spent deep below the surface of the Earth, trapped inside the mineral ringwoodite.