"I actually saw a part of a giant earthworm, which was quite a surprise when you actually see how big they are in real life," ...

Once declared by Aristotle to be “the intestines of the earth,” earthworms have been recognized for centuries as essential to the health of our planet's soil. But one of the most interesting ...

Still, this robot isn't as big as the rugged tunnelling robot created by the multinational company GE, one of the few earthworm robots being developed for near-term commercial applications.