Este video es una fracción de uno producido hace muchos años por la empresa Chevrolet. Tiene el audio original y un subtitulado en castellano.
Practical Tips for Productive Living
I was perhaps 9 years old .
Easy to make design for a small solar power generator,
Russian researchers in the late 1940s kept five people awake for fifteen days using an experimental gas based stimulant. They were kept in a sealed environment to carefully monitor their oxygen intake so the gas didn't kill them, since it was toxic i...
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