Legal Assisted Suicide
IVF
Drugs Used In Ovulation Induction
Human Fertilization And Early Embryo Development
World Fertility Day was launched by IVF Babble, founded by Sarah Banks and Tracey Bambrough, with support from Louise Brown, the world's first person born through IVF.
Evolution Of Complex Regional Pain Syndrome
The Morris worm was released on November 2, 1988, by Cornell University graduate student Robert Tappan Morris from an MIT computer terminal. It is recognized as the world's first major computer worm to propagate across the early internet
People And Vitamin D
Jędrzej Śniadecki (1822)
Recognised the association between sunlight exposure and prevention of rickets.
Sir Edward Mellanby (1919–1921)
Produced rickets experimentally in dogs using a deficient diet and demonstrated the protective effect of cod-liver oil.
Elmer McCollum (1922)
Distinguished the antirachitic factor from vitamin A and introduced the name vitamin D.
Harry Steenbock (1924)
Demonstrated that ultraviolet irradiation of foods increased their antirachitic activity. This led to vitamin D food fortification.
Adolf Windaus (1928–1937)
Investigated the chemical structure of vitamin D and its precursors. Awarded the 1928 Nobel Prize in Chemistry for his work on sterols and their relationship to vitamins.
1937: Vitamin D₃ (cholecalciferol) was identified by Windaus and colleagues
1971–1972
1,25-dihydroxyvitamin D₃ (calcitriol) identified as the biologically active hormonal form.
Timeline Of Vitamin D