a fire

Setting a fire. Illustration: depositphotos.com

Fire not only heated and cooked, but it may also have shaped the human body.

New research suggests that more than a million years of human use of fire have exerted evolutionary pressure that has shaped our healing, inflammation, and immune mechanisms. The benefit: better recovery from minor burns. The potential cost: increased vulnerability
Prof. Ran Barkai holds a vertebra from an ancient elephant at the La Polderra site, Italy

On the fire, the stone version: When ancient man discovered the secret to smoking meat

Even a million years ago, people used to smoke meat to extend its shelf life.
Combustion retardant system. Photo: shutterstock

A simple process for making flame retardants

A cold flame on the space station. Screenshot, NASA

What happens to the flame on the space station?

Combustion droplet on the International Space Station. Photo: NASA

Strange flames on the space station

Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Hell on earth - Google Earth special