Plant nanobiotics is a whole new field of science that aims to merge plants with machinery.
This week, it's all about the outdoors, whether it's for fun, for adventure, exploration or for Olympic gold. Check out the latest gadgets gone wild.
Zac Vawter is the first amputee with a thought-controlled bionic leg.
The retinal prosthesis will help people with a rare genetic disease called retinitis pigmentosa.
The arm is so sensitive that it can pick up an egg.