Money from the world’s increasingly prosperous technology entrepreneurs has been flooding into biomedical research. Is it changing how science is done?

The U.S. plans to release a joint statement with 15 other countries describing a shared vision for a “golden age of science” that embraces artificial intelligence.

For residents of European cities—with their snarled traffic, drafty old buildings, creaking public services and gray winters—it's easy to see the appeal of moving to a brand-new, high-tech metropolis.