Rather than looking for the tiny Doppler shift of a bright star, in other words, Dr Cameron and his team were looking for the much larger Doppler shift of a much fainter planet.

ECONOMIST: Extrasolar planets

The story may be trite, but Cameron creates an entire world, including magnificent flying pterodactyls and a bright-red flying monster with jaws that could snap an oak.

NEWYORKER: Avatar

Cameron has decided to spoof what he used to take seriously, and the result, though bright and deafening, feels oddly slack he loosens the screws, and our interest drops away.

NEWYORKER: True Lies