Patent justice
Sir John's best work may be yet to come.
Masters of the mozzies
Malaria's days should now be numbered.
It’s all in the genes
Major advances in drug therapy have made breast cancer survivable if detected early enough. The next breakthrough will come from genetics research, reports The Observer's health correspondent Jo Revill.
The great guilt debate
Parents are probably right to worry about the effect they're having on their children, says Oliver James.