C. team, so that they can track whatever effect might arise from the hits each player accumulates during his four years.

NEWYORKER: Offensive Play

They will now be able to track the effect of atmospheric dust, which has a little-understood but potentially far-reaching effect on everything from Florida's weather to the health of its coral reefs.

ECONOMIST: Bad air from Cuba

Eventually, the shouting and shunting back and forth achieves the desired effect and we are back on track.

BBC: Peru's famous yarn

He urged the government to work with the insurance industry "to put in place fast-track procedures with immediate effect so that individuals and businesses making claims do not have to wait for the money they need to start putting things right".

BBC: UK riots: Trouble erupts in English cities

It will be 20 years or so before analysts can use these new human-capital indicators to track the long-term effect on growth of having people with more or fewer skills entering work.

ECONOMIST: A breakthrough in measuring the knowledge economy

We have a five year track record with not a single negative side effect and the vast majority of people having benefited.

BBC: Stem cell treatment warning

Finally, if the models produce the desired effect, full-scale components are fabricated and tested on the track.

ECONOMIST: CAR DESIGN

In the UK, this could have a rather strange effect on the singles chart - which recently began accepting any downloaded track into the Top 40.

BBC: The Beatles had 16 number one singles in the UK

They find a a positive effect on test scores, compulsary school grades, choosing an academic high-school track, high-school grades, probability of attending college, and average education by age 24.

FORBES: Lessons on School Choice from Sweden

The administration is telling federal agencies to track the results of the research they fund so that money is spent to maximum effect.

ECONOMIST: Economics focus