Fighting in Grass is nasty

Canadian troops fighting in Afghanistan are unable to track Afghans through 10m high marijuana plants. The plants themselves are wet through and through, so they can’t be burned down using phosphorus. They tried putting fire to dryer outlying parts of the forest, but the wind turned and caused unexpected consequences on a troop concentration.

Biological memory

Using tobacco virusses, you can apparently create very fast switching transistors. These guys have done it, and now need to find a way to link up all the virusses. This means your RAM may soon (the researchers think in around 4 years) be alive.