The Gulf Stream is one of the strongest ocean currents in the world. It is driven by surface wind patterns and differences in water density. Surface water in the north Atlantic is cooled by winds from the Arctic. It becomes more salty and more dense and sinks to the ocean floor.
Ad. In 1905, Sarah married Charles Joseph Walker and changed her name to Madam C.J. Walker. Charles was her third husband. Madam Walker then went on to start a business, promoting a scalp treatment called Madam Walkerâs Wonderful Hair Grower. Though many people believe Madam Walker invented the straightening comb, they are incorrect. She did, however, go on to grow her business to include hair and scalp treatments, salons, and training schools. The Madam C. J. Walker Manufacturing Company factory was built in Indianapolis in 1910.
Dr. Patricia Bath discovered and invented a new device and technique for cataract surgery known as laserphaco. Dr. Patricia Bath was the first woman ophthalmologist to be appointed to the faculty of the University of California at Los Angeles School of Medicine Jules Stein Eye Institute. Dr. Bath was the first woman to chair an ophthalmology residency program in the United States. My love of humanity and passion for helping others inspired me to become a physician. Patricia E. Bath, an ophthalmologist and laser scientist, is an innovative research scientist and advocate for blindness prevention, treatment, and cure.