‘It was an accident’: the scientists who have turned humid air into renewable power

In the early 20th century, Serbian inventor Nikola Tesla dreamed of pulling limitless free electricity from the air around us. Ever ambitious, Tesla was thinking…

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Magnets made by soil bacteria offer hope for breast and prostate cancer

Scientists are developing magnetically guided microscopic projectiles that can be injected into patients’ blood to attack breast, prostate and other tumours. The project – led…

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