Listen closely and he will explain how he does it - it helps to rewind a few times to catch it all. Good luck – click on the image to view the talk – I think it’s about 15 min long.
Or this one on saving the world’s eco-system using mushrooms:
“Ted” has some amazing talks presented and all are free to view – 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 – and they cover all facets of everyday life.