Were anthrax spores present, he said, the liquid would turn yellow in a day or two.

FORBES: Have You Heard the One About the Anthrax Kit?

Nocentini was briefly dropped but his AG2R team-mates helped him back into contention and ensured he stays in yellow for a second day.

BBC: Sanchez secures stage eight win

Londoners will also be able to know where to find anything they want by travelling there virtually - if it were to become popular, it might work as a Yellow Pages of its day.

BBC: Virtual worlds with real purposes