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For the first time in the UK, scientists have been able to recover commercial grade lithium carbonate and graphite from black mass; a solid black powder containing a complex mixture of metals and impurities recovered from recycling end-of-life lithium-ion batteries.
An international team of researchers including the University of Freiburg identifies engravings in Jordan and Saudi Arabia as the oldest known scaled building plans in human history.
Around 25,000 artificial heart valves are implanted in Germany per year because the original heart valve is damaged, for example, by an infection.