Here is a regular roundup of interesting stories from the week.
- A landslide of classic art is about to enter the public domain.
- There is an arms race in artificial intelligence.
- The most serious environmental problem is indoor air pollution from burning dirty fuels like wood and dung.
- The rise of Russia’s neo-Nazi football hooligans.
- Southwest 1380: Think about the flight attendants.
- A farewell to free journalism.