Early human development is a complex, multistep process that’s even more complicated to study in the lab. Models made from stem cells avoid some of the trouble with using real human embryos.

We examine push and pull factors, including demographic, geography, culture, economic and human development, politics and climate, and uncover the key determinants shaping migration patterns within ...

Artificial general intelligence — smarter-than-human AI capable of performing virtually all tasks — risks spiraling out of human control, MIT professor and Future of Life Institute President ...