Stephen Hawking is working on spacecraft that could travel to ‘Second Earth’ in 20 years

Stephen Hawking is working on spacecraft that could travel to ‘Second Earth’ in 20 years

The renowned physicist Stephen Hawking is working on a spacecraft that can travel at a fifth of the speed of light – meaning it could reach the nearest star and send back images of a suspected ‘Second Earth’ within 25 years – in a bid to save humanity. In a speech at the Starmus Festival, Professor Hawking warned humans must soon colonise another planet if we are to survive.

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The geeks are inherent at birth: older men have geekier sons, study finds

The geeks are inherent at birth: older men have geekier sons, study finds

Older men tend to have “geekier” sons who are more aloof, have higher IQs and a more intense focus on their interests than those born to younger fathers, researchers claim. The finding, which emerged from a study of nearly 8,000 British twins, suggests that having an older father may benefit children and boost their performance in technical subjects at secondary school.

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Revisiting the ice giants: NASA considers missions to Uranus and Neptune

Revisiting the ice giants: NASA considers missions to Uranus and Neptune

If you look up Uranus and Neptune in an encyclopedia, there's a good chance the pictures you see will be about 30 years old. In the late 1970s, the twin Voyager spacecraft launched on a grand tour of the solar system, taking advantage of a rare planetary alignment that only happens every 175 years. Voyager 2 flew past Uranus in January 1986, and Neptune in August 1989. The probe was traveling too fast, and lacked the fuel, to slow down and enter orbit.

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