An award-winning satirist, Venezuelan cartoonist Rayma Suprani's life's work is speaking truth to power -- even when being outspoken comes at a steep price.
Garik Israelian's stargazing on the Canary Islands has led to high-profile discoveries about space's big disasters -- including the first evidence that supernova explosions make black holes.
Patricia Burchat studies the structure and distribution of dark matter and dark energy. These mysterious ingredients can't be measured in conventional ways, yet form a quarter of the mass of our universe.