EPISODE · May 1, 2026 · 9 MIN
What Do A.M., P.M., and SOS Stand For?
from BrainStuff · host iHeartPodcasts
OK, this is a trick question -- 'SOS' doesn't stand for anything at all. Learn the history of these three terms, including what astronomy and telegraphy have to do with it, in today's episode of BrainStuff, based on this article: https://people.howstuffworks.com/am-pm.htm; https://people.howstuffworks.com/what-does-sos-mean.htmSee omnystudio.com/listener for privacy information.
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What Do A.M., P.M., and SOS Stand For?
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