This was the development of the current theory in the 1960s and 70s called the "Standard Model".

BBC: LHC upgrade to open up 'new realm of particle physics'

It has been rigorous in the development of antitrust theory and an energetic enforcer of the law.

ECONOMIST: Competition policy

Response to gaze is reckoned to be a good measure of the development of theory of mind in human children.

ECONOMIST: Now, it seems, even the bird-brained have theories of mind

They will be widely viewed as a referendum on the prevailing theory in Alzheimer's drug development, which focuses on sticky clumps of protein known as beta amyloid that build up in the brain.

WSJ: For Alzheimer's, a Fork in the Road

The difference between the two is actually rooted in an academic theory of development (not that it matters).

ECONOMIST: American values: Living with a superpower | The

The Geopark's outstanding historical contribution, both in terms of the development of geological and archaeological sciences is astounding: from the Huttonian Theory, to the naming of the Devonian Period by Sedgwick and Murchison, and even Pengelly's discoveries informing worldwide public opinion as to the antiquity of man.

UNESCO: Global Geoparks

Another theory is that the birds may have fallen victim to hunting, development or changes in farming along their 6, 000km (3, 600 mile) migration route to breeding grounds in the Russian Arctic.

BBC: Red-breasted goose

Most was to pay for the development of new medicines for chronic lung diseases such as cystic fibrosis and emphysema, which can, in theory, be made from proteins in the milk of a cloned flock.

ECONOMIST: Scottish biotechnology is healthier now it is more boring