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The law of periodicity for menstruation
Dr Edward Clarke's Law of Periodicity claimed that females who were educated alongside their male peers were developing their minds at the expense of their reproductive organs.
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The search for a cure for endometriosis
Discover how a white American doctor’s experimental operations on black female slaves laid the foundations for modern gynaecological surgery.
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A history of twins in science
For thousands of years, twins have been a source of fascination in mythology, religion and the arts. Since the 19th century, they have also been the subject of scientific study and experimentation.
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The father of handwashing
Doctors performing autopsies and then delivering babies – with not a hint of soap in between – was the grim recipe producing a lot of motherless offspring in the 1800s. But one man’s gargantuan efforts to upend accepted medical thinking turned the tide.