Jonas Salk, Virologist and Vaccination Vanguard#biography #history #originalart #science #influenza #polio #poliovaccine #thomasfrancis #vaccine #virology #hackadayposted by pod_feeder_v2 Jonas Salk, Virologist and Vaccination Vanguard
Jonas Salk, Virologist and Vaccination Vanguard
HF Propagation and Earthquakes#interest #news #originalart #science #amateurradio #citizenscience #earthquake #prediction #hackadayposted by pod_feeder_v2 HF Propagation and Earthquakes
HF Propagation and Earthquakes
