It has three parts - submarines, missiles and warheads, and although each component has years of use left, they cannot last indefinitely.

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Because handedness has a genetic component the researchers wondered why the proportion of left-handers should have remained so constant over 30, 000 years - the age of the oldest cave studied.

BBC: Cave handprint, Montpellier University

The notion that defense, the biggest component of discretionary outlays in the budget, can be left untouched by this process is naive.

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It's key component is a party called Synaspismos, itself an umbrella group of the far left in Greece.

BBC: Greece: Trying to understand Syriza

That sword in his right ... hand and the water pistol in his left can be replaced on another swappable character's bottom half -- its motion component -- creating an altogether new character.

ENGADGET

The system also has an educational component that allows players to read up on issues like wills and trusts, which earlier generations also left in the hands of an agent.

FORBES: Magazine Article