This Way Up for Saturday 5 March 2011
Our tech/science correspondent Peter Griffin takes a look at technology use after the Christchurch earthquake. Plus version 2 of the iPad.
Kevin Miller of North Dakota State University is onto a miracle cure for muscle cramp. Pickle juice!
Jonathan Watts beams in from China where the worst drought in 60 years is threatening wheat production. It's also encouraging huge desalination plants and water diversion schemes.