Ian Sillett reads about a momentous clash between two intellectual giants in 1922

The Greenwich Prime Meridian: Jessica Norris explains the history and science behind this special landmark

Why does Russia have 11 time zones while China has just one? Peter Sherman investigates the history, politics and technology behind some of the world’s most incongruous ways of telling time.

What’s the truth about the relationship between space and time? Isobel Nicholson tells us…

Keeping time: Kruti Shrotri looks at the different timekeepers our
civilisation has used over the last five thousand years

Circadian rhythms run the biological world like clockwork. Madeleine Hurry explains how they work, from the genes in a bacterium to the human brain

Jai Dongre explains why time flies when you’re having fun and the psychological basis of other temporal illusions.
(taken from the latest issue of I,Science magazine)

Yodit Feseha tells us how ageing works and if it’s possible to reverse it
(taken from the latest issue of I,Science magazine)

I, Science Autumn 2014 pdf Read extra online features  

Mutations are ticks on the molecular clock, and can now be used to measure evolutionary distances

Universe-ending paradoxes aside, Andrew McMahon discusses what physics has to say about time machines

Why studying our microbial friends may reveal how and why we age

Time is so integral to our experience of life that we could be forgiven for thinking it is a simple concept. But many physicists are intrigued by the question of what exactly time is…

The Thermodynamic “Arrow of Time” in Physics (And to a Lesser Extent, in Snooker) PART 1 | PART 2 | PART 3 Special Boxes Although every point in phase space corresponds to a different, unique arrangement of the particles, we can impose some organization on the space as a whole. Let’s imagine dividing it into […]

The Thermodynamic “Arrow of Time” in Physics (And to a Lesser Extent, in Snooker) PART 1 | PART 2 | PART 3 Jiggling Particles Let’s look again at the third film. The rolling ball possesses an initial kinetic energy, which gradually dissipates away through friction: the particles in the fabric that the ball travels over, […]

The Thermodynamic “Arrow of Time” in Physics (And to a Lesser Extent, in Snooker) PART 1 | PART 2 | PART 3 He reached toward the ash tray on the desk, selected the shortest – and hence best – cigarette butt, dabbed it against the ceramic surface until it began to burn, then lifted it […]