After a disappointing 2009-10 season London Irish have been rejuvenated this term and although the Premiership leaders are renowned for the potency of their attacking play, they had to rely on a powerful defensive effort to see off their Magners League counterparts, and two-time Heineken Cup champions, Munster.

BBC: London Irish 23-17 Munster

That makes the antibodies useful weapons in attacking the virus' Achilles heel, and a potentially powerful target for an effective vaccine.

CNN: Possible step toward AIDS vaccine development

The visitors' powerful scrum earned two penalty tries and there were also signs of an attacking presence that had been absent in the first half, but Australia were by far the more rounded side and were deserved winners.

BBC: Angry England boss Martin Johnson criticises players

Juan opened the scoring with a powerful header and Luis Fabiano slotted into an empty net to finish off an attacking move of lethal precision as Brazil took another step towards a sixth World Cup title.

BBC: Brazil 3-0 Chile

Mr Crocker added that Muqtada al-Sadr, perhaps the most powerful anti-American Iraqi Shia leader, has now told his men to stop attacking Iraqis or Americans, prompted perhaps by widespread revulsion at attacks by his militia, the Mahdi Army, on fellow-Shia worshippers in the holy city of Karbala.

ECONOMIST: America and Iraq