Nanotechnology

Meera Senthilingam

Helen Scales

This week we delve into the minuscule world of nanotechnology to find out how nano-electronics could revolutionise prosthetic limbs and how we could soon be able to deliver drugs to exact parts of the body at the exact time it's needed. We're also joined by the creator of Afrigadget.com who tells us about the ingenious inventions he's seen in the villages of East Africa. Plus, in Question of the Week, we spit in the name of science!