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Very Old Man

Is the age of this very old man statistically believable?


bioNRICH is the area of the stemNRICH site devoted to the mathematics underlying the study of the biological sciences, designed to help develop the mathematics required to get the most from your study of biology at A-level and university.

Catalyse That!

Can you work out how to produce the right amount of chemical in a temperature-dependent reaction?

Graphic Biology

Age 16 to 18
Challenge Level


The graph above has several plots representing biological processes. Can you assign as many possible solutions to each of these plots?

Can you model each one as a mathematical function?

What units and labels would be appropriate for each of the axes, considering each plot in turn?