Cryosols is a valuable reference for soil scientists, ecologists, biologists, agronomists, foresters, and conservationists interested in the permafrost region. Springer.com Cryosols
Polio, which struck children disproportionately, could attack the central nervous system and cause muscle deterioration, paralysis and even death. American virologist Jonas Salk, who was born 100 years today on October 28, 1914, developed the worldâs first safe and effective polio vaccine.
In 1928, after spending months observing his own wifeâs cervical cells under a microscope, Dr. George Papanicolaou invented the Pap smear as a method to detect cervical cancer.is discovery has stood the test of time. And Dr. Papianicolaou can be credited with the fact that cervical cancer is now a rare cause of death in the United States in spite of the fact that it remains the leading cause of death in countries where Pap smears are not routinely done.