SizeSize is the most fundamental structural variable of the universe. Neither bacteria nor empires are immune to its laws. Measuring it is challenging, especially where complex systems like economies are concerned, yet mastering it offers rich rewards: the rise of the West, for example, was a direct result of ever more accurate and standardized measurements. Grounded in history and drawing on the latest science, with much recourse to art and classic

Written by Ranulph Fiennes

The skill level is on the easier side

and insecurities just like us

many of them with fascinating stories

his MI5 handler

A self-contained scene with larger pieces slots alongside a bigger puzzle with smaller pieces

they discover the complexity

'A Dominant Character' unpacks Haldane's boisterous life in detail

inspire an insurrection and convince millions that a shadowy cabal was hellbent on eating children

have special padded skulls to mitigate against using their head like hammer drills

rangers and conservationists who are fighting to save these extraordinary creatures from extinction

terrible injuries