'Easy on the fries!', Japan scientists tell hopeful bald people

Japanese scientists have a developed a way to stimulate hair growth in bald mice with the help of a chemical used by fast-food restaurants for cooking fried potatoes - but eating french fries won't stop hairlines receding, they say. Amy Pollock reports

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YouTube star demos 18-string custom guitar

YouTuber and musician Jared Dines has unveiled an 18-string custom guitar in California. Edward Baran reports.

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Phone muzzle to protect privacy by muffling voice

Ukrainian developers say they have found a way to keep important calls private while on the move, at the same time minimising irritating sounds reaching people within earshot. Matthew Bell reports.

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Dog poo-powered street lamp gets tails wagging

An inventor in Worcestershire's Malvern Hills creates a street lamp powered by bio-gas from dog poo, giving ramblers the perfect place to dispose of their pets' deposits. Matthew Stock reports.

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Stopping identity thieves from stealing your face

Riding the wave of a global push to comply with new privacy standards, a small Israeli company believes it can help you, and your face, stay anonymous in a hyper-connected world. Rinat Harash reports from Tel Aviv.

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Using seawater and crisp packets to cut C02 emissions

University of York scientists say 850 million tonnes of carbon dioxide could be mineralised each year by combining sea water, graphite, solar-powered electricity, and scrap metal in a purpose-built reactor. Jim Drury reports.

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Catalyst makes alcohol and perfume from air

A US start-up has developed a catalyst and reactor that turns air, sunlight and water into pure ethanol for use in consumer products like alcoholic spirits and perfume. Stuart McDill reports.

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