Andrew Rawnsley: The voters may not yet be scared of him, but many Conservatives are privately fearful of the prospect of Mayor Johnson

Charlie Brooker: Perhaps the government confused fantasy with reality the day it endorsed Brain Gym

John Sutherland: More and more students are using performance-enhancing drugs. They may technically be legal, but do they have any place in academia?

Alexander Chancellor: As it is, the workshops are presented not as a form of punishment, but as a voluntarily chosen educational entertainment that you are supposed to enjoy

Ben Goldacre: However you cut the cake, we should be clear: measuring drug-related death is difficult

Lisa Bachelor: Anyone who has savings with Ice save or the other Icelandic bank that takes UK deposits, Kaupthing, might understandably be feeling a little jittery about the safety of their cash

Peter Preston: Julia Allison - 'editor-at-large' of Star magazine - doesn't actually edit anything

Giles Foden: A children's story about friendly tank engines has become something of a religious experience

Leader: Norwegians voted the explorer Fridtjof Nansen the greatest figure of the 20th century. So could we all

Polly Toynbee: Sweden's great social democracy has been transformed for the worse - and Britain risks importing the nightmare

Donald McRae speaks to Paul Ince about his incredible achievements with MK Dons, and the desire to pave the way for more black football managers

Girl's family do not believe science can help her, while locals venerate her as a 'gift from God'

Government climbdown after discovery that too many cars would be unable to run on proposed ethanol-petrol mix

Opposition leader is in South Africa to increase pressure on Mugabe to release election results as Zanu-PF gangs mobilize ahead of possible run-off

Egypt's most powerful opposition movement will boycott municipal elections after hundreds of members were arrested or prevented from standing

Who was to blame for London's chaotic parade? Will it make any difference to Tibet? Patrick Barkham has the answers

US security chief's prediction goes beyond what counter terrorism officials and government ministers in Britain suggest

What will be America's next steps in Iraq?

Fayed refused to accept crash was accident but conspiracy theories crumbled under scrutiny

Coroner at Diana inquest warns that police statements given by photographers should be treated with caution