In the original Hobbit, Tolkein was still developing his concept of the larger Middle Earth that takes shape in Lord of The Rings the world is smaller and the villains less apocalyptic.

FORBES: A Deeper Mythology Emerges In the Latest Trailer for Peter Jackson's 'The Hobbit'

The concept is amazingly simple: A polymer scaffold is designed in the shape of, say, an individual's liver.

FORBES: Plastic Man

LONDON, England (CNN) -- The concept cars shown at the Paris motor show this week might be a glimpse of the shape of things to come, but across the Atlantic a car is being developed that is radically reimagining the automobile and could also transform our perception of how we use it in the city.

CNN: Reinventing the wheel

Starting from a clean slate, the concept of a small battery-powered car that could be stacked at various pick-up points around a city took shape.

CNN: Reinventing the wheel