Victoria Gill takes a looks at four key moments in the search for life on the red planet.
Media playback is unsupported on your device Media captionStephen Hawking on God, artificial intelligence and mankind’s future Stephen Hawking’s fame was founded on the research he did on general relativity and black holes. But he often stepped outside his own field of research, using his recognition to highlight what he saw as the great challenges […]
Image caption The project aims to capture one tonne per day of CO2 The giant Drax power station, near Selby in North Yorkshire, has become the first in Europe to capture carbon dioxide (CO2) from wood-burning. Drax burns seven million tonnes of wood chips each year to drive generators to make electricity. The firm has […]