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13364. Loudness
Loudness :
Rock music : 120 db
13365. Loudness
Loudness :
Aircraft noise : 90-120 db
13366. Loudness
Loudness :
Jet takeoff(at 100 meter distance) : 120 db
13367. Loudness
Loudness :
Jet engine(at 25 meter distance) : 140 db
13368. Loudness
Loudness :
Space vehicle launch (from a short distance) : 140-170 db
13369. Medical Invention
Medical Invention : malaria parasite
Inventor : ronald rose
13370. Medical Invention
Medical Invention : anti-polio vaccine
Inventor : salk, jonas e.
13371. Medical Invention
Medical Invention : chloroform
Inventor : simpson and harrison
13372. Medical Invention
Medical Invention : streptomycin
Inventor : waksman
13373. Medical Invention
Medical Invention : insulin ( as a palliative for diabetes)
Inventor : banting
13374. Medical Invention
Medical Invention : replacing the human heart
Inventor : barnard, christian
13375. Medical Invention
Medical Invention : cure of kala-a-zar fever
Inventor : brahmachari, u.n.
13376. Medical Invention
Medical Invention : isolation of metals by electricity; studied properties of chlorine
Inventor : davy
13377. Medical Invention
Medical Invention : sulpha drugs as bactericides
Inventor : domagk
13378. Medical Invention
Medical Invention : cause of beri-beri
Inventor : eijkman
13379. Medical Invention
Medical Invention : discovered curative effect of ultra violet rays; photography
Inventor : finsen
13380. Medical Invention
Medical Invention : penicillin (in 1929)
Inventor : fleming, alexander
13381. Medical Invention
Medical Invention : circulation of blood
Inventor : harvey
13382. Medical Invention
Medical Invention : homoeopathy (founder)
Inventor : hahnemann
13383. Medical Invention
Medical Invention : vitamin d
Inventor : hopkins, frederick gowland
My Account / Test History
Fact
Asthma affects one in fifteen children under the age of eighteen
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