Toxic sugar: Worse than alcohol – is adding fructose, the sugar from fruit, to processed foods creating a global health crisis? In this issue of Cosmos Magazine, we find out why you need to avoid it. And, the rise of obesity – are our genes to blame? Don’t miss this new research on the human body. Plus, how a simple pill could slow ageing, why nanomachines will revolutionise medicine and technology, and see our spectacular gallery on the microscopic world. We also travel south for the 100th anniversary of Douglas Mawson’s fateful exploration of Antarctica, revisit brilliant mathematician Alan Turing’s tragic life and find out how the ancient Antikythera device predicted the future.