In 1951, cervical cancer patient Henrietta Lacks became—likely unknowingly—the donor of cancerous tumor cells that were cultured to create an "immortal" cell line for medical research. Named for their donor, HeLa cells can divide an unlimited number of times in a laboratory cell culture plate as long as fundamental conditions are met. The cell line has since been used in thousands of experiments, contributing to a number of scientific breakthroughs, including what?
E. M. Forster
Back in the day
Martyrs' Day is a Panamanian holiday commemorating the 1964 riots that began after a Panamanian flag was torn in a conflict between Panamanian and Canal Zone students over the right of the Panamanian flag to be flown alongside the US flag. US Army units became involved in suppressing the violence, and 4 soldiers and more than 20 Panamanians were killed. The incident contributed to the US decision to transfer control of the Canal Zone to Panama. When was full control of the canal given to Panama?
Born on a day like today
Halliburton was an American adventurer and pioneer of adventure journalism. He liked to recreate historical and legendary feats in his travels, such as Hannibal's passage over the Alps on an elephant and Odysseus's journey around the Mediterranean, and made his living writing and lecturing about his experiences. He is, however, perhaps best known for having swum the length of the Panama Canal. He disappeared while attempting to sail a Chinese junk, the Sea Dragon, from Hong Kong to where?