More sense from smell
Smell is the only one of our senses with a direct connection to the brain, explaining why a particular smell has the power to evoke a memory or emotion. But could improving our sense of smell also improve memory and cognition? Maria Burke reports
Hydrogen hopes
From the US to Australia, and the EU to China, governments around the world are investing billions of dollars in hydrogen technology. And the UK is no exception, reports Jasmin Fox-Skelly
Analysing the past
Archaeologists are increasingly applying state-of-the-art analytical instruments to ancient remains and artifacts, and what they are discovering is transforming our understanding of the past, reports Jon Evans
Greener pharma
The healthcare sector saves lives, but it also contributes a staggering amount of carbon dioxide and other greenhouse gases into the environment. Katrina Megget reports