Science , December 3, 2009 Link In the final words of the final sentence of On the Origin of Species, Charles Darwin gave a nod to the future.
Waste plastic from "throwaway" carrier bags can be readily converted into carbon nanotubes. The chemist who developed the technique has even used the nanotubes to make lithium-ion batteries.
A paralysed man has "spoken" three different vowel sounds using a voice synthesiser controlled by an implant deep in his brain. If more sounds can be added to the repertoire of brain signals the implant can translate, such systems could revolutionise communication for people who are completely paralysed.