Another biomarker of interest is a protein called tau, implicated in the neurofibrillary tangles -- which basically take the shape of cells and destroy them -- that build up in the brains of Alzheimer's patients, particularly in the memory center called the hippocampus.

CNN: Alzheimer's: Early detection, risk factors are crucial

With Ralf Schumacher's clash with the same driver so fresh in the memory, particularly after the protracted legal battle, Williams shared his frustration.

BBC: SPORT | Motorsport | Formula One | Schumacher one step away

However flash memory is faster than an HDD, particularly in reading information.

FORBES: New Seagate Solid State Hybrid Drive is Faster and Vaster

This problem is particularly acute for computers, which have seen massive increases in speed and memory.

ECONOMIST: The numbers racket | The

Commodity chip prices, particularly memory chips, will continue to fall at a modest annual rate of 30% before they stabilize in the middle of next year.

FORBES: SIA: July Semiconductor Revenues Slightly Up