SERENDIPIDITY -

Sometimes discoveries are made unexpectedly matter of chance. This is serendipidity. Examples -

1.       Structural formula of benzene - It was dreamt by Kekule. He got the idea of this ring like structure after seeing a snake licking its tail forming a ring like shape.

2.       Principle of floatation - Discovered by Archimedes.

3.       Law of graitation - Newton saw an apple falling on ground & got idea of law of gravitation.

4.       Discovery of Pencillin - Alexander Flemming (1928) discovered antibiotic penicillin from Penicillium notatum.

5.       Steam engine - James watt got the idea of utilising steam energy.

6.       Anaphylaxin - Charls Ricket discovered it or allergic reactions by chance through second injection of poison into doges who had survived the first one.

7.       Mutation - Sudden appearance of ancon sheep which had extremely small legs in a herd of normal sheep led to the discovery of mutation.