World Expo opens on Sunday with host Japan aiming to bring humanity together, despite global turmoil and tepid public enthusiasm for the six-month event showcasing innovation as well as Hello Kitty in algae form.
A Mars meteorite the size of a sourdough loaf and a beating heart grown from stem cells are among the myriad futuristic attractions crammed into a vast waterfront site in Osaka hosting more than 160 countries, regions and organisations.
