#UKTeaching #EduSky
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[Picture from Swiss Orchid Foundation at the Herbarium Jany Renz, orchid.unibas.ch ]
[Picture from Swiss Orchid Foundation at the Herbarium Jany Renz, orchid.unibas.ch ]
Could make a good (if depressing) #coremaths Fermi estimation question.
Could make a good (if depressing) #coremaths Fermi estimation question.