This Way Up for Saturday 15 October 2011
The official kilogram weight - a lump of metal carefully stored under a bell jar in a Parisian vault - is getting lighter. So scientists are working on new ways to define it. Jonathon Keats has travelled the world in search of the perfect kilogram for Wired magazine.
Homebrewer turned commercial brewer Stu McKinlay of Yeastie Boys checks out our starter kit before we lay down a brew.
The latest from the world of technology with correspondent Peter Griffin. This week the launch of Apple's cloud computing service called iCloud. Plus Blackberry's crumble- why did the Blackberry system crash and what are the implications?
China correspondent Malcolm Moore on the latest food scandal. One in 10 restaurants in China are reportedly using cooking oil recycled from the sewers!
Dr Chris Smith of The Naked Scientists has 3 discoveries with a medical theme.