The other hypothesis is that the dose is an act of blatant favouritism, aimed primarily at sons by mothers who are attempting to pull a fast one on their potential daughters-in-law.

ECONOMIST: Animal behaviour

The problem with Nato is that it is fast becoming a multi-role organisation whose diverse activities threaten to pull it in two different directions.

BBC: Analysis: Nato seeks new roles

With the Kindle Fire we are back to the toy-boy ethos and army boot black plastic in a pull tear fast food carton.

FORBES: Will The Kindle Fire Burn Apple?

"The thing that really struck the science team about this image is that you would really be forgiven for thinking that NASA was trying to pull a fast one on you and we actually put a rover out in the Mojave Desert and took a picture -- a little L.A. smog coming in there, " he said.

CNN: Mars rover captures nearby rocket 'footprint'