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A drone’s flying test may help pave the way for flying cars. In early December, U.S. regulators gave their approval for unmanned hover tests of a miniature flying car model made by the company Terrafugia. Such testing would provide feedbac...

The need to mend broken hearts has never been greater. In the USA alone, around 610,000 people die of heart disease each year. A significant number of those deaths could potentially have been prevented with a heart transplant but, unfortun...