Silicon Valley

What's on Dave's dashboard?

David Cameron now has a special app to run the country. But what else is on his iPad? John Rentoul sneaks an iPeek

Mandaric can sleep easy after 'horrible dream'

The two men who hugged in the dock of Court Six yesterday have had their differences – Milan Mandaric called Harry Redknapp's move from Ports-mouth to Southampton a "bitter divorce" – but their friendship has remained intact throughout years of suspicion and accusation. At its conclusion the "odd couple", as one defence barrister called them, struck a similar chord. Redknapp's "nightmare" was Mandaric's "horrible dream".

Silicon Valley: The anatomy of a cutting-edge start-up

The Andregg brothers might have the cure for all our illnesses in their grasp. But how do a pair of penniless science nerds raise the millions needed to unlock the very fabric of our DNA? Dream big - and get lucky...

In praise of pragmatism

We're conditioned to prize principle above everything. But history shows that adapting to circumstances is more effective, says Tim Harford