FDA History - The Poison Squad (by The U.S. Food and Drug Administration)
Pictured here are some of the volunteers in a study of the effects of food preservatives on health, conducted at the Bureau of Chemistry, which succeeded the Division of Chemistry and preceded FDA, around 1902. The participants were fed carefully measured quantities of different additives as part of a standardized diet. One of the many journalists who covered this story dubbed this group, “the poison squad.”
An online free course from MIT OpenCourseWare
Chinese star globe (by Mike Smail)
This Chinese Celestial Globe was made around 1830 CE by Qi Mei-Lu from Wuyuan, now the Jiangxi province in southern China.
This project is preserving records and memories of activism in the United States to support the struggles of African peoples against colonialism, apartheid, and social injustice from the 1950s through the 1990s.
Hiroshima Hypocenter - 1945 (by CRGPIX)
The A-Bomb Dome is visible on the waterfront. The bridge we are standing on in the previous panoramic is the T-shaped bridge above.
The hypocenter is visible here, approximately in-between the y-shaped intersection at center-left. You can see how much the bomb missed by.