Not the hardest Toad to spot, but one of the harder ones to get to at first. The folded-up Swan can be found in the middle of a lake that is located along Picnic Road. It is one of the early examples ...

Kids swallow a lot of batteries. But now MIT researchers are developing swallowable origami to fish the nasty foreign objects out. [Narrator] Welcome to a pig's stomach, well, a model of one at least.