Scientists have discovered a new molecule that will make your teeth cavityproof and may change dental care forever. They have appropriately named it Keep 32—for your 32 teeth—and it can kill the bacteria that produces cavities in 60 seconds flat.
How would you like to have a watch that's shaped like a tooth? No? Us neither. But Seiko's just created a "Cavity" watch that's both shaped like a tooth and has a gigantic hole in the middle to display the time.