Saturday Stories - X-rays, fitness and evil Weetabix!

An interesting read on how those airport X-Ray scanners were rolled out without much scientific oversight.

Alex Hutchinson over at SweatScience is surprised that average male fitness has seemingly increased since the 1970s.

The Guardian has a great read on the evils of modern day branding whereby Weetabix is pimping out kids to be "brand ambassadors"