The Gates-backed Delight toilet keeps itself clean by flushing automatically, and is funded with advertising. Could it be the solution to sanitation in India?
The Gates Foundation is bringing stronger, hardier versions of staple crops to the developing world. Do the good motives outweigh the issues with GM food?
With the country's banking and financial infrastructure still in tatters, a new mobile service that allows Haitians to make and receive payments via text message is taking off and allowing commerce to flourish.
Malaria drugs are expensive, and the disease is becoming resistant. But nothing can resist microwaves. A new advance might simply explode the parasite inside people's bodies with a low dose of focused rays.
A new breed of do-gooders wants to apply rigorous analysis to development programs. But are they getting any useful information, or just wasting money collecting meaningless data?
This year DonorsChoose.Org made our list of The Most Innovative Companies. We speak to CEO Charles Best on how he applies a "best of breed e-commerce" approach to transforming public education.