Listen closely and he will explain how he does it - it helps to rewind a few times to catch it all. Good luck â€“ click on the image to view the talk â€“ I think itâ€™s about 15 min long.
Or this one on saving the worldâ€™s eco-system using mushrooms:
â€œTedâ€ has some amazing talks presented and all are free to view â€“ again click on the image to view the talk and make sure to bookmark the site so you can stay abreast of the newest developments in science.
I find them fascinating â€“ and they cover all facets of everyday life.