A lucky little fish is making a big difference.
The problem of iron deficiency in Cambodians by trying to find ways to add more iron into their diet. One way, they found, was to simply put a piece of iron into skillets and pans while cooking.

This most low-tech product imaginable, a simple lump of iron, won the Grand Prix in the Product Design Lions. But while it looks unassuming, this fish made tens of thousands of Cambodians healthier.

See the video.