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.
British Airways’ owner, International Airlines Group, has announced a sharp rise in annual profits to almost £4bn despite a slight fall in passenger numbers in 2025.
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