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Margaret Sanger

Margaret Sanger (September 14, 1879 – September 6, 1966) was an Americanbirth control activist,sex educator, and nurse. She opened the first birth control clinic in the United States, foundedPlanned Parenthood, and was instrumental in the development of the firstbirth control pill. She was an importantfirst-wave feminist and believed that women should be able to decide if and when to have children. Sanger campaigned for the legalization ofcontraceptives by giving speeches, writing books, and breaking laws – leading to eight arrests. She endorsed both theMalthusianism andeugenics movements, believing that they would generate support for birth control. She established a network of dozens of birth control clinics, which provided services to hundreds of thousands of patients. She discouragedabortion, and her clinics never offered abortion services during her lifetime. Her activism led to theGriswold v. Connecticut decision, which legalized contraception. (Full article...)

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Vincent de Groof's flying machine
Vincent de Groof's flying machine

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May 18:Haitian Flag Day in Haiti (1803);Day of Remembrance for the Victims of Crimean Tatar Genocide in Ukraine

The Bath School after the explosions
The Bath School after the explosions

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El Tatio

El Tatio is a geothermal field with manygeysers located in theAndes Mountains ofnorthern Chile at 4,320 metres (14,170 ft) above mean sea level. It is the third-largest geyser field in the world and the largest in theSouthern Hemisphere. The geothermal field has many geysers,hot springs, and associatedsinter deposits. These hot springs eventually form theRio Salado, a major tributary of theRio Loa, and are a major source ofarsenic pollution in the river. The vents are sites of populations ofextremophile microorganisms such ashyperthermophiles, and El Tatio has been studied as an analogue for theearly Earth and possible pastlife on Mars.

Photograph credit:Diego Delso

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