50 scientists who are changing the world

Scientists who ask the right questions at the right time can make history and change the world.

We compiled a list of 50 scientists from across the globe who are doing just that - changing the world for the better.

These scientists' revolutionary research in human happiness, evolutionary biology, neutrino physics, biotechnology, archeology, and other fields is helping to advance our lives in more ways than we could ever imagine.

For the list, we selected scientists noted in the media for their recent achievements as well as scientists highlighted in the 2014 lists of Forbes Magazine's "30 Under 30," Popular Science's The Brilliant Ten, and MIT's "35 Innovators Under 30."