The Roman city of Pompeii may seem frozen in time, but archaeologists are trying to bring it bang up to date with technology and shining a light on forgotten stories, writes Elisabetta Povoledo
There are approximately 100,000 species of microalgae, and over the last few decades research has shown the potential biofuel uses, explains Callum Russell
A new study has revealed that our brains may continue to function for a short while after blood has stopped pumping, but what could that really mean? Guillaume Thierry explains