Author: Damian Bailey, Professor of Physiology and Biochemistry, University of South Wales

With each breath, four out of every five molecules we inhale are nitrogen. This colourless, odourless gas makes up nearly 80% of the air that sustains us – yet it plays no direct role in keeping us alive. This same inert gas is now being used to take life. In the past year, several US […]

On January 14 2004, the United States announced a new “Vision for Space Exploration”, promising that humans would not only visit space but live there. Two decades later, Nasa’s Artemis programme is preparing to return astronauts to the Moon and, eventually, send humans to Mars. That mission will last around three years and cover hundreds […]