Sept. 17, 1849: Harriet Tubman Attempts to Escape From Slavery
On this day in 1849, American abolitionist Harriet Tubman escaped from slavery. She escaped alongside her brothers, Ben and Henry, who forced her to turn back with them after they had second thoughts.
Tubman ran away again shortly afterward without her brothers, this time successfully, using the Underground Railroad as her escape route to the North.
The Underground Railroad was a lifeline for slaves escaping to freedom, and Harriet Tubman became undoubtedly one of its most famous “conductors.”
Photo: Harriet Tubman, full-length portrait, standing with hands on back of a chair between ca. 1860 and 1875 (Library of Congress)
"We practiced for about thirty minutes before he actually called my parents. I pretended to be my mom, and tried to think of all the reasons she’d object to us getting married, and he practiced his rebuttals. The actual call was a lot easier than the rehearsal."
(New Delhi, India)
How A Dissolvable ‘Tampon’ Could One Day Help Women Stop HIV
University of Washington bioengineers have discovered a potentially faster way to deliver a topical drug that protects women from contracting HIV. Their method spins the drug into silk-like fibers that quickly dissolve when in contact with moisture, releasing higher doses of the drug than possible with other topical materials such as gels or creams.
“This could offer women a potentially more effective, discreet way to protect themselves from HIV infection by inserting the drug-loaded materials into the vagina before sex,” said Cameron Ball, a UW doctoral student in bioengineering and lead author on a paper in the August issue of Antimicrobial Agents and Chemotherapy.
The UW team previously found that electrically spun cloth could be dissolved to release drugs. These new results build upon that research, showing that the fiber materials can hold 10 times the concentration of medicine as anti-HIV gels currently under development.
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This research was funded by the National Institutes of Health.
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