Skin cancer risk may have driven evolution of black skin — ScienceDaily

Early humans may have evolved black skin to protect against a very high risk of dying from ultraviolet light-induced skin cancer, a new analysis concludes. Skin cancer has usually been rejected as the most likely selective pressure for the development of black skin because of a belief that it is only rarely fatal at ages … Continue reading Skin cancer risk may have driven evolution of black skin — ScienceDaily

It’s Darwin Day, a celebration of science and reason | Machines Like Us

Darwin Day, according to the International Darwin Day Foundation, is “a global celebration of science and reason held on or around Feb. 12, the birthday anniversary of evolutionary biologist Charles Darwin." The idea of the celebration arose in 1993 as part of the activities of the Stanford Humanist Community, then headed by biologist Robert Stephens. … Continue reading It’s Darwin Day, a celebration of science and reason | Machines Like Us

Seven things about evolution – john hawks weblog

What is evolution? In its original sense, evolution meant "unrolling", as if a papyrus scroll were being unrolled to reveal its contents. We may talk about the "evolution" of many things, from an individual's lifetime to the evolution of the universe. In the most general sense, evolution means "change". Biologists are very specific about the … Continue reading Seven things about evolution – john hawks weblog

This View of Life: The Evolution of Fairness

http://www.youtube.com/watch?v=gOtlN4pNArk Brosnan and de Waal’s finding of fairness in the capuchin monkey has settled the long-standing question of whether animals have a sense of fairness and further blurred the line between humans and other animals in a new territory: the sphere of morality. *** The questions now are how fairness works and why it evolved. … Continue reading This View of Life: The Evolution of Fairness

Bill Nye Wants To Wage War on Anti-Science Politics, Make a Movie—And Save the Planet From Asteroids | Mother Jones

But of his new endeavors, he's likely best known for his politically tinged, no-bullshit talk about science education in America. Over the past few years, he's gained wide attention on social media, the lecture circuit, and television (he's appeared on CNN's Piers Morgan Live and HBO’s Real Time with Bill Maher, among others) for countering … Continue reading Bill Nye Wants To Wage War on Anti-Science Politics, Make a Movie—And Save the Planet From Asteroids | Mother Jones

‘Just Babies – The Origins of Good and Evil,’ by Paul Bloom – NYTimes.com

Is morality innate? In his new book, “Just Babies,” the psychologist Paul Bloom draws from his research at the Yale Infant Cognition Center to argue that “certain moral foundations are not acquired through learning. . . . They are instead the products of biological evolution.” Infants may be notoriously difficult to study (rats and pigeons … Continue reading ‘Just Babies – The Origins of Good and Evil,’ by Paul Bloom – NYTimes.com