"We compared what you see in these galaxies with what you see in the field galaxy population, other galaxies at the same epoch and distance, and there is a stark difference - far more star formation and black hole growth, " the Cambridge University scientist and Royal Society research fellow explained to the BBC News website.

BBC: NEWS | Science/Nature | Deepest X-rays tell merger story

George Goodwin, who has written a book on Towton to coincide with the battle's 550th anniversary in 2011, reckons as many as 75, 000 men, perhaps 10% of the country's fighting-age population, took the field that day.

ECONOMIST: The battle of Towton

Field owned a print shop in Livingston, population 6, 851, that was barely breaking even.

FORBES: Magazine Article

"The reality is we do this work better than anyone else in our field because we focus first on delivering first-rate care to the incarcerated population, " CMC spokeswoman Jessica Bassett told the newspaper.

WSJ: Pa. service company probed over NY inmate deaths

We use a field-tested methodology with our clients that is supported by a proprietary analytic model for forecasting population and income distribution annually through 2020 in urban and rural China.

FORBES: Unlocking China's Consumer Power

Most predictions in the field verge on the apocalyptic, warning of extreme shortages of food and widespread hunger in a rapidly expanding population.

CNN: French report suggests new ways to feed the future

"The field camp was mainly set up to look at and protect the Nigerian chimpanzee, which is a sub-population of chimpanzee, " Dr Pilgrim added.

BBC: Chester Zoo team on the hunt for new species in Nigeria