Why Is DDT Dangerous?
Why Is DDT Dangerous? After extensive use as a pesticide, DDT was found to have many harmful after-effects on human beings and animals. The control of insects was...
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Who Is a Midwife?
Who Is a Midwife? A midwife is a professional in midwifery, specializing in pregnancy, childbirth, postpartum, women’s sexual and reproductive health (including...
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Who Discovered Typhoid Vaccine?
Who Discovered Typhoid Vaccine? Typhoid vaccine, which gives immunity against typhoid fever, was discovered by Sir Almroth Wright (1861-1947), a British scientist...
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Who Founded the Mayo Clinic?
Who Founded the Mayo Clinic? The Mayo Clinic in Rochester, Minnesota, United States, was founded by William Worrall Mayo. He opened a medical practice that evolved...
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When Do Bones Break?
When Do Bones Break? Bones break under varying degrees of pressure according to age, health and other circumstances. They are made of hard, strong connective tissue and...
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