p06158tc - Hawking's warnings: His predictions

Hawking's warnings: His predictions

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 […]

100418661 gettyimages 89650020 - Rising carbon dioxide levels impair coral growth

Rising carbon dioxide levels impair coral growth

Image copyright Getty Images Image caption The Great Barrier Reef is 2,300 km long Coral reefs are under threat if atmospheric carbon dioxide levels continue to rise, new research has shown. When CO2 dissolves in the ocean, it raises the water’s acidity level. This prevents a build up of calcium carbonate, which corals draw from […]

100417589 1 - The book that made him a star

The book that made him a star

Image copyright Getty Images Stephen Hawking was the most remarkable author I had the privilege of working with during my career as the director of science publishing at Cambridge University Press. In 1982, I had responsibility for his third academic book for the Press, Superspace And Supergravity. This was a messy collection of papers from […]

100412557 2 - The science that made him famous

The science that made him famous

Image copyright SPL Stephen Hawking was one of the best-known scientists in the world, but what about his discoveries? His fame among researchers was founded on a series of studies that wed Albert Einstein’s great theory of gravity, general relativity, with the strange world of quantum mechanics, normally applied to tiny things like atoms and […]

86609847 86609846 - Obituary: Stephen Hawking

Obituary: Stephen Hawking

Image copyright AFP Stephen Hawking – who died aged 76 – battled motor neurone disease to become one of the most respected and best-known scientists of his age. A man of great humour, he became a popular ambassador for science and was always careful to ensure that the general public had ready access to his […]

100403969 archie - Archaeopteryx flew like a pheasant, say scientists

Archaeopteryx flew like a pheasant, say scientists

Image copyright Jana Růžičková Image caption Artist’s representation of Archaeopteryx in flight The famous winged dinosaur Archaeopteryx was capable of flying, according to a new study. An international research team used powerful X-ray beams to peer inside its bones, showing they were almost hollow, as in modern birds. The creature flew like a pheasant, using […]