From frozen Alaska to the lab: a virus 39,000 times more virulent than flu
· Tight security to prevent 'select agent' escaping · Publication of its genetic code raises fears of misuse
Oliver’s twist
Has Jamie Oliver changed anything in the school canteen?
£266m gap in cost of improving school meals
· Government cash fails to match panel's guidelines· Parents may have to pay more for healthier menus
Kelly’s war on junk food
Leader: The biggest - and best - decision on health yesterday was announced during the education session when Ruth Kelly, the education secretary, announced foods high in fat, salt and sugar would be banned both from school meals and in school vending machines by next September.