Picking your own food in the wild produces no easier or tastier result than it does with berries. And there's more than you might think out there, both in terms of sheer volume and types. Here's how to find the good ones.
Yet another field of expertise has been wiped out by some steel pincers—strawberry-pickers. Japan's robot detects which berries are at least 80 per cent red, and picks them gently off the vine.