HumansWHO classes HIV drug as an essential medicine Pre-exposure prophylaxis, or PrEP has been added to the WHO's list of essential medicines, highlighting England's failure to provide the drug to those most at risk News
EarthFestivals 2017: Feel at one with the universe The universe is the word at Europe’s festivals this year, with no shortage of ways to explore the night sky – and plenty of other science to pursue Culture