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.
Roosevelt was stricken with polio in 1921, which cost him the use of his legs and put his political career on hold for several years. Roosevelt attempted to recover from this illness, and founded a treatment center for polio patients in Warm Springs, Georgia.