Image "closing the carbon cycle"
Hyung Yoon and Mark Lautens in a chemistry lab
Richard Kil
A large group of people stand in a room, looking up at the camera.
Scott Mabury.
John Polanyi with three members of his research group.
The main gates to the health clinic in the Kakuma Refugee Camp in Kenya.
An arctic seabird in flight.
Tokyo skyline under a thick blanket of smog.