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Science

Cryo-Surgery was discovered in which year?

D.D.T. (Dichloro-Diphenyl-Trichloroethane) was discovered in which year?

Electro-cardiograph was discovered in which year?

Electro-encephalogram was discovered in which year?

First Test Tube Baby was discovered in which year?

Genes associated with Cancer (Oncogenes) was discovered in which year?

Heart Transplant Surgery was discovered in which year?

Hypodermic Syringe was discovered in which year?

In which country Artificial Heart was discovered?

In which country Aspirin was discovered?