Everyone: answer the European Union's copyright survey. You can answer even if you are not European.

Here are explanations of what's behind the questions, and suggestions for answering.

Here's more advice.

Today's face recognition technology can't recognize you as you walk on the street, but the US government is setting out to develop that.

A study suggests unusual "extreme" El Nińo events, which cause economic damage and can kill thousands of people, will double in frequency due to global heating.

Thirty Years Since Betamax, and Movies Are Still Being Made.

Cuba is moving to allow private business, in a limited territory.

This can be good if it leads to respect for human rights. It will be bad if, as in China, it leads to corrupt plutocratic tyranny.