Short-term disability insurance, which is most often purchased as part of a group at work, can be paid by either the employer or the employee. Group short-term disability insurance policies are guaranteed issue, meaning you do not have to take a medical exam to buy coverage.
Otto von Guericke: Father of Vacuums. Otto von Guericke was a German scientist born in the town of Magdeburg, Germany. He is best remembered for founding the physics of vacuums. In 1650, Otto invented a vacuum pump that was designed to pull air out of whatever vessel to which it was connected. It contained a piston and an air-gun cylinder with one-way flap valves.
Frederick Griffith's Discovery of the Transforming Principle in Bacterial Organisms. Frederick Griffith was searching for a vaccine against Spanish flu and was using two strains of Streptococcus pneumoniae bacteria. During the process he discovered that gene transfer took place between two different bacterial strains. slide 1 of 4. Bacteria Microbiology Frederick Griffith's experiment showed that bacteria were capable of transferring their genetic information by a process that he called transformation. Frederick Griffith was an English army doctor and his experiment, which consisted of testing the effects of killed bacteria on live cells, was actually intended to help develop a vaccine against a future outbreak of Spanish flu, the pandemic that killed millions of people after world War I.