In the 1930s, penicillin was so precious that it was re-extracted from the urine of patients to conserve every bit of it.


random facts : - In the 1930s, penicillin was so precious that it was re-extracted from the urine of patients to conserve every bit of it.

In the 1930s, penicillin was so precious that it was re-extracted from the urine of patients to conserve every bit of it.

Comments

Popular posts from this blog

4 facts about canada

Do marmots kill people?