Cogito ergo sum
Episode #1 of the course “Philosophical ideas that everyone should know” “Cogito, ergo sum” is…
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Annie Leibovitz
(1949–) Episode #10 of the course Most famous photographers of all time Annie Leibovitz…
Why is 98.6ºF (37ºC) our ‘normal’ body temperature?
Episode #8 of the course “Science questions everyone should know how to answer” We get…
Fritz Haber
Episode #1 of the course “Unknown Scientists Who Changed The World” Fritz Haber’s legacy is…