Just 64 years ago I was practice -teaching in the high school from which I graduated. We called it “practice teaching” then although it was similar to doctors practicing medicine. We were doing the ...
Marjorie Rice, a homemaker from San Diego, solved a decades-old geometry problem in 1975. Her discovery of new pentagon ...
More than 70 aircraft are struck by lightning every day. If you happen to be flying when a strike occurs, chances are you won't feel a thing, thanks ...
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