COVID-19 Vaccine Update; News Items: Resisting Facial Recognition, Farming Mars, Sound Beaming, Hydrogen from Ammonia; Who's That Noisy; Your Questions and E-mails: Rankine Scale; Name That Logical Fallacy; Science or Fiction
Ted Apelt
2020-11-22 05:20:42 +0000 UTCVille Kuitunen
2020-11-21 20:19:39 +0000 UTC