The UK's default "child safety" internet filter imposes some amusing decisions, such as blocking the Disney web site.

However, that's a secondary problem. More important is the injustice of imposing strict censorship on everyone in the UK who can't afford a private internet line — and the bigger injustice of imposing baseline censorship on everyone whatsoever.

Russia and Iran are preventing film directors from travelling to the Cannes film festival, apparently for political reasons.

In addition to the long-established crimes of driving while black and walking while black, blacks in the US can be accused of renting a room while black.

The use of the term "people of color" in this article was misleading on a specific point, as well as in the usual general way. Not all nonwhite ethnic groups would face this sort of suspicion.

Making hydrogen from renewable energy is a way to store the energy for later use at peak times.

Humans have eradicated rats and mice from South Georgia island. This will protect the endemic wildlife there.

Rats and mice have their places in the world, but if they overrun everywhere, little else will survive.

Alas, the same is true for humans. Since we are more intelligent than rats, I hope we can work out a way to depart from a large fraction of the Earth's surface, and allow the other species to flourish too.