Strannaya obez'yana: Kuda delas' sherst' i pochemu lyudi raznogo cveta

When and why did our ancestors lose their wool? And did they really lose it? Why are we not naked or aquatic, but rather sweating monkeys? How many crazy hypotheses have been proposed to explain our hairlessness, and why has the question remained open? What can lice and fleas tell us about human evolution? How did the color of our skin change during evolution: did our ancestors lighten or darken? Or maybe they darkened first and then became lighter? What was the point of all this hullabaloo...