like penicillin. Eating a little bit on your bread can't be that bad, right? Ultimately, it's a gamble. Just like eating a wild mushroom, many are fine. But some can be deadly. Mold is the same way.

have they ever seen penicillin e.g. mould on bread. Students could also explore modern day uses of penicillin. They could create mould in their own classroom using bread in a jar left for some ...

have they ever seen penicillin e.g. mould on bread. Students could also explore modern day uses of penicillin. They could create mould in their own classroom using bread in a jar left for some ...