Although HP comes dangerously close to using too much shiny stuff, it keeps these materials low-key enough that the overall design looks handsome, even if it's not exactly premium.

ENGADGET: HP TouchSmart 610 review

The main difference is caused by the fact that, although they use much of the same data, they calculate the inflation rate using different formulae.

BBC: Q&A: Inflation explained

Although improper storage such as using plastic bags rather than paper or exposing the evidence to too much humidity or heat can degrade DNA, Hagan says that current technology can even recover complete profiles from poorly stored evidence, the kind usually available in very old cases.

CNN: Solving the cold case: Time, DNA and ingenuity can help