Quotessence
Home / Authors / Daniel E. Lieberman

Daniel E. Lieberman Quotes

Author

Filter quotes by topic

Famous Daniel E. Lieberman Quotes

“Remember that for millions of years natural selection favored women who devoted whatever extra energy they had toward reproduction, partly through the action of reproductive hormones such as estrogen. Natural selection, however, never geared women's bodies for coping with long-term surfeits of energy, estrogen, and other related hormones. As a result, women today are very different and vastly more at risk of developing cancer than mothers from long ago because their bodies are still functioning as they evolved to have as many surviving children as possible.”

“Food processors, dishwashers, vacuum cleaners, and clothes-washing machines have substancially lessened the physical activity required to cook and clean. Air conditioners and central heating have decreased how much energy our bodies spend to maintain a stable body temperature. Countless other devices, such as electric can openers, remote controls, electric razors and suitcases on wheels, have reduced, calorie by calorie, the amount of energy we expend to exist.”

“In short, the Industrial Revolution was actually a combination of technological, economical, scientific and social transformations that rapidly and radically altered the course of history and reconfigured the face of the planet in less than ten generations -a true blink of an eye by the standards of evolutionary time.”