The ‘little ice age’ of the 14th to the 19th centuries brought cold winters to Europe and unusual weather globally. Studying how humans adapted could be valuable.
Scientists say rocks on the English coast contain clues of the processes that drove the end-Triassic event that killed as much as a quarter of all life on Earth.
As it struggles to clean up and reconnect with the world, Tonga confronts the risk that international aid workers could bring in a virus it has so far kept out.
