Is cancer just a matter of random bad luck?

8 months 2 weeks ago
For the first time, researchers have estimated what percentage of cancer mutations are due to environmental and lifestyle factors, hereditary factors and random chance. Overall, 66% of the genetic mutations that develop into cancer are caused by simple random errors occurring when cells replace themselves, according to a new study published in the journal Science.

Symbolic strength

8 months 3 weeks ago
The Taliban's capture of the crucial southern Afghan city of Sangin is highly significant.

Deadly attack outside UK Parliament

8 months 3 weeks ago
Police have launched a "full counter-terrorism investigation" after an attacker rammed a car into crowds of people and stabbed a police officer on Parliament grounds.

Bastions of democracy

8 months 3 weeks ago
An attacker tried and failed to access Westminster - so what is security like in Paris, Berlin, Brussels and Washington DC?