How It Works Feed your mind with fascinating facts about the world around you

Why can we smell rain?

Find out why precipitation creates a distinctive aroma that’s the same all over the world It’s possible to smell rain before it has even fallen. Lightning has the power to split atmospheric nitrogen and...

Diving Bell Spider

Check out the ingenious adaptations of these sub-surface arachnids Just when you thought that the depths of ponds and lakes might be safe from these eight-legged critters, the diving bell spider is here to...

What’s beneath Antarctica’s ice?

Antarctica, Earth’s fifth-largest continent, has scenery as dramatic as America’s Great Lakes or the European Alps, yet its mountains and lakes are as unexplored as Mars. Ice sheets around 1.6 kilometres (one mile) thick...

Public swimming pools: what you don’t see

At first glance, a swimming pool might just look like a huge basin full of water, but hidden beneath the surface is a surprising amount of technology that keeps swimming pool water crystal clear....

What makes volcanoes erupt?

Imagine the Earth as a giant ripe orange. Beneath the thin, dimpled peel is a thick layer of pulp and juice, 90 percent of it liquid. The Earth’s peel is called the lithosphere, a...