The children also get a lesson in two of the three Rs (reduce, reuse, recycle).

CNN: Envisioning a world without garbage

The government now wants a return to greater emphasis on the three Rs.

ECONOMIST: South Africa's education system

And Cafu believes that Brazil's 'Three Rs' attack of Ronaldo, Rivaldo and Ronaldinho can stretch the English rearguard to breaking point.

BBC: Cafu praises England

The chief inspector also commented on standards in schools in general, saying "too many" were inadequate, leaving children with a poor grasp of the three Rs.

BBC: RELATED BBC SITES

Thanks to the three Rs, animal research had been falling from a peak of about 5.5m procedures a year in the 1970s, but recently numbers have stabilised, as genetically modified animals have started to be used to model human disease.

ECONOMIST: Animal rights extremists

Below is a three month price history chart comparing the stock performance of RS, versus MEA and GNI.

FORBES: RS Crosses Technical Indicator

Below is a three month price history chart comparing the stock performance of RS, versus VALE and TX.

FORBES: Analyst Favorites of the Metals Titans: Reliance Steel & Aluminum Ranks As a Top Pick

Weekly RS analysis bottomed in 2009 and has formed a series of higher highs over the past three years.

FORBES: 3 Sectors Leading the Charge