I just watched an amazing show on Animal Planet, “Jane Goodall: When Animals Talk.” Most of the stories are astounding, about how animals communicate with us. One of the stories that I think is especially neat, is about rats sniffing out landmines in Africa. They’ve been trained to sniff out the TNT and scratch at the ground where they’ve found it. They don’t set off the mines because at 3 pounds they are not heavy enough, though they are larger than your average rat. Really fascinating stuff.