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A picture of the sun, taken with a neutrino detector, at night through the Earth
The 'Super-K' detector is built 3,000 feet down in a mine beneath Hida in Japan. This is one of its most famous images. Marcus Chown explains
Neutrinos are ghostly subatomic particles which are created in abundance by the sunlight-generating nuclear reactions in the core of the Sun. Since the Sun’s light was made at the height of the last Ice Age, for all we know its nuclear fires could have gone out 29,000 years ago. Hereditary traits and even eugenics are back in the headlines, as a series of new books seek to influence the nature-nurture debate.
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