6Koch borrowed the idea of using gelatine from mycologist Oscar Brefeld, who had used it to grow fungi. Interestingly, Brefeld also employed carrageenan, another seaweed-derived jelly. Because fungi generally favor growing at ambient temperatures, Brefeld might have been less plagued by the melting of growth media than Koch.
3. Check the facts. Have you seen this story anywhere else? Look around for other examples from other sources - and for direct quotes from the people involved.
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Radio 2 in the Park will take place at City Park between 7 and 9 August.