Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among individuals is caused by variation in pigmentation, which is the result of genetics (inherited from ...

Every person in the human race is from the same species, no matter what features they show on the outside (or inside). To science, there really is no such thing as Native Americans, Eskimos, African ...

Believe it or not, evolution isn’t blind or random chance. It is the natural result of having an advantage, even if it is very slight, that makes the difference between dying young or living to ...

The daily rotation of Earth and its yearly voyage around the Sun marks the natural rhythm of life on the planet. Human health indicators such as body temperature, blood pressure and sleep, as well as ...

Skin color is an adaptive trait by humans who migrated out of Africa 100,000 years ago. Dr. Nina Jablonski, professor of anthropology at Penn State & author, The Biological and Social Meaning of Skin ...

(Special to The Root) — Skin color is one of our most important biological traits. Its many shades evolved as humans moved far and wide into regions with different intensities of sunlight. Skin color ...