Results for "Jonas Salk"
Found 2 results
The Chemical Scalpel That Tamed the Polio Monster
How Jonas Salk used formaldehyde as a chemical scalpel to kill the polio virus while keeping its ou…
How a Frozen Virus Shape Ended the Polio Epidemic
How Jonas Salk used formaldehyde to freeze the polio virus in 1954, training the immune system with…