Skip to content
OBSERVE · TEST · EXPLAIN

Everyday Science

Explore scientific explanations for ordinary questions, using familiar observations to investigate the mechanisms behind everyday life.

← All Science
Close-up of orange corrosion covering weathered metal machinery
EDITOR’S PICK

Why Does Metal Rust?

Rust is iron corrosion, driven by reactions on a wet surface. Water, oxygen, salts and protective coatings help explain why some objects deteriorate faster than others.

Oct 6, 2026 • 3 min readRead the discovery →
LATEST

Latest discoveries

New stories, explanations and research from Everyday Science.

Bowl filled with freshly popped white popcorn photographed close up
Everyday Science

How Does Popcorn Pop?

A popcorn kernel contains water and dense starch sealed inside a hard hull. Heating turns the water into pressurized vapour and softens the starch.…

Oct 6, 2026 • 3 min read
Broken sea ice floating beside the snowy Shiretoko Peninsula
Everyday Science

Why Does Ice Float?

Ice floats because ordinary ice is less dense than liquid water. When water freezes, hydrogen bonds arrange its molecules into an open hexagonal crystal…

Oct 5, 2026 • 4 min read
Why Is the Sky Blue? — documentary reference image
Everyday Science

Why Is the Sky Blue?

The sky looks blue because air molecules scatter the shorter wavelengths of visible sunlight more strongly than the longer wavelengths. At sunrise and sunset,…

Sep 23, 2026 • 5 min read