EXAMS AND ME

Blast From The Past: Morris Worm

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

Morris Worm Works Currently At MIT

Current Date And Time

SPYWARE

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Hey Mr Sunshine

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

Sunshine And Vitamin D

Theory To Practice

Current Events

World Vitamin D Day

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St Helena

St Helena And The Cross Of Christ

St Helena Islands

St. Helena island, part of the British Overseas Territory also encompassing Ascension and Tristan da Cunha islands, is a remote volcanic outpost in the South Atlantic Ocean. It's famous as the place of Napoleon Bonaparte's exile and death, as commemorated by a now-empty tomb