For centuries, scientists on expeditionary voyages have made fascinating discoveries about the natural world. The deep sea remains one of the last unexplored frontiers – what secrets does it keep?
We manipulate bacteria to produce all kinds of exquisite flavours and fragrances. Does that make them natural, or synthetic? And why bother, when they already grow on trees?
Humans have been piecing together an atlas of the heavens for millennia. The advent of gravitational wave astronomy means we can now listen to the rhythms of the cosmos and map uncharted territory.
Dams have a lifetime just like everything else, and the dam-building mania of the early 20th century has left us with several damning problems dotted across the landscape.
Forty years ago we launched the Voyager spacecraft. Now over 20 billion km from Earth, Voyager holds the golden record: our message in a bottle to any E.T. who would find it.