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Looking Back: A Daughter’s Letter
By Robyn M. Cohen As far back as I can remember my father was always “The Doctor.” He was a very smart man and people held him in great esteem. I remember thinking that there was nothing my father couldn’t do. From...
The Heart
The fist-sized heart is one of the first organs to develop and to function. The first heartbeats can start at four weeks of gestation; and the heart should be fully formed by week seven. Congenital heart defects occur...
Too Much Stimulation
Our neurons and the glial cells that support them start showing up at about three weeks of gestation. The new neurons start producing chemicals and laying down fiber cabling so they can communicate with each other and...






