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FORT LAUDERDALE, Fla. AP 鈥?Retired Air Force Col. Joseph Kittinger, whose 1960 parachute jump from almost 20 miles 32 kilometers above the Earth stood as a world record for more than 50 years, died Friday in Florida. He was 94.His death was announced by former U.S. Rep. John Mi
stanley cup ca and other friends. The cause was lung cancer.Kittinger, then an Air Force captain and pilot, gained worldwide fame when he completed three jumps over 10 months from a gondola that was hoisted into the stratosphere by large helium balloons. Project Excelsior was aimed at helping design ejection systems for military pilots flying high-altitude missions.Wearing a pressure suit and 60 pounds of equipment,
stanley tumbler Kittinger almost died during the project s first jump in November 1959 when his gear malfunctioned after he jumped from 14.5 miles 23 kilometers . He lost consciousness as he went into a spin that was 22 times the force of gravity. He was saved when his automatic chute opened.Four weeks later, Kittinger made his second jump from just over 14 miles 22 kilometers above the surface. This time, there were no problems.Kittinger s record jump came on Aug. 16, 1960, in the New Mexico desert. His pressure suit malfunctioned as he rose, failing to seal off his right hand, which swelled to twice normal size before he jumped from 102,
stanley us 800 feet 鈥?more than 19 miles 31.3 kilometers above the surface.Free falling in the thin atmosphere, the Tampa native exceeded 600 mph 965 kph before the gradually thickeni Gqxk 17-year-old girl shot in leg overnight
During the last few months, many health experts have been talking about reaching herd immunity with the distribution of the COVID-19 vaccine. Over the Christmas weekend, Dr. Anthony Fauci said he estimates the country needs to reach 80-85% with the vaccine to attain herd immunity.Heres what that means.Herd immunity is a concept used in discussions about vaccination, and signifies the threshold needed for a population as a whole to be protected from a virus.The World Health Organization clarifies that herd immunity, or population immunity, is achieved by protecting people from a virus, not by exposing them to it. The Mayo Clinic also describes the situation following the 1918 Spanish Flu outbre
kubki stanley ak. They say people who survived the pandemic were later immune to infection of the H1N1 flu, also referred to as swine flu.Health experts warn that relying on community infection to create herd immunity could be dangerous
stanley cup ; there are questions about how long the antibodies created by infection protect against reinfection, and a high level of community infection could lead to overwhelmed medical facilities and a high number of deaths.When the threshold of herd immunity is reached, it means the vast majorit
stanley quencher y of a population is vaccinated and has antibodies, thereby lowering the overall amount of community spread of the virus. It also means portions of the population who cannot get vaccinated are kept safer by the limited spread.What that threshold is varies depending on the virus and th
