In addition to Fortune's 40 Under 40 list, we're also keeping our eye on these 20 innovators, young guns from a wide range of industries and backgrounds.
|Poor kids, rich schools|
|Audi makes diesel out of water and air|
|Revenge porn hacker: 'Scary how quickly I would drop my morals for so little'|
|Jane Goodall: SeaWorld 'should be closed down'|
|Bumble Bee, 2 employees face criminal charges in pressure-cooker death|