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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.
Erythrocytes or red blood cells: These are otherwise called Red Blood cells or corpuscles. These are the most numerous cells in the blood.There are about 4.5 to 5.5x 10 9
In many countries of Asia biomass contributes l argely as a source of primary energy. People in rural areas at the peripheries of forests, continue to collect fuel wood from adjace
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Define Dark Field Microscope In this microscope, condenser system is modified, so that only reflected and refracted light by specimen forms an image. Here, the object is bright
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Radial artery: Carpentier used radial aartc14y us a conduit for CABG in 197 1. He had 30 percent early occlusion of the graft and it was given up. The mail1 problem was radi
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The left coronary artery arises from the left posterior aortic sinus. It runs to the left behind the pulmonary trunk and appears between left auricle and pulmonary trunk. In that p
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