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It was one of the greatest understatements of all time. The crew were in big trouble - a dramatic explosion had disabled their craft.
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Soviet-era spacecraft 'likely' to have re-entered Earth's atmosphere
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Agar is so critical that since WWII, scientists have tried to find alternatives in the event of a supply chain breakdown, especially as recent shortages have caused similar alarm. But while other colloid jellies have emerged, agar remains integral to laboratory protocols because no alternatives can yet compete on performance, cost, and ease of use.
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