Madeleine Finlay sits down with science editor Ian Sample and science correspondent Nicola Davis to discuss three eye-catching stories, including the impact of a powerful psychedelic on depression, answers on the death of Russian opposition leader Alexei Navalny, and an explanation to the mystery of why humans have chins
'I don't want him going abroad to die' says mum of son's assisted dying wish
。同城约会对此有专业解读
Дания захотела отказать в убежище украинцам призывного возраста09:44
After their initial degree and the mandatory two years of post-graduate foundation training, many choose to specialise in a particular area of medicine or surgery.