Roth tried a variation on the standard game in which he let the subjects chat face to face for ten minutes before playing.

FORBES: Schmoozing Still Works!

Dr Brorson is experimenting with a variation on the standard liposuction technique, which makes approximately 20 incisions along the affected arm and uses suction to remove the fatty tissue and lymph.

BBC: 'Liposuction' to ease surgery side-effect

Would England genuinely welcome greater local variation in the nature and standard of public services?

ECONOMIST: Bagehot

The blasters themselves are pretty standard NERF fare and all some basic variation on a crossbow design.

ENGADGET