In May 2021, Israel prepared to celebrate seventy-three years of its formal existence by dispossessing yet more Palestinians (for the second time since it emerged on the world scene).

In March 2021, the market town of Batley in West Yorkshire found itself splashed across UK national news headlines. A teacher at the secondary grammar school had, as part of a lesson on free speech, allegedly shown his class a cartoon of the Prophet Mohammad.

The evolution of science now proceeds at an accelerating pace. To appreciate how science is changing, an historical perspective is ever more necessary.