Cannabis drug tests measure tetrahydrocannabinol (THC) and its metabolites, which can stay in your body long after the “high” fades. Detection ranges from hours in blood or saliva to weeks or months ...

ONE of the results of the increasing popularity in recent years of so-called ‘sun-ray’ treatment has been the rapid development of improved methods of generating ultra-violet rays. This has placed in ...

Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. The German armed forces have been engulfed by a scandal over sexual harassment, far-right extremism and drug ...