Tag

Hair Texture

All articles tagged with #hair texture

science2 years ago•0 min saved

The Evolutionary Advantage of Curly Hair.

According to a recent study, curly hair may have been an evolutionary advantage for early humans. The study suggests that curly hair texture helped to protect the scalp from the sun's harmful rays, while also providing insulation and cooling. This trait was likely selected for through natural selection, as it provided a survival advantage in certain environments. The genetics behind hair texture are complex and still not fully understood, but this research sheds new light on the potential benefits of curly hair.

via National Geographic|

#curly-hair #evolution #genetics

science2 years ago•4 min saved

The Evolutionary Benefits of Hair Texture for Early Humans.

A team of scientists has discovered a connection between hair texture and the expansion of the human brain, dating back approximately 2 million years. By testing various wigs on a specially designed dummy exposed to solar radiation in a wind tunnel, researchers have unraveled a hidden connection between hair texture and the expansion of the human brain. The study sheds new insights about how human hair textures affect regulation of body temperature. The researchers concluded that tightly curled hair provided the best protection from the sun’s radiative heat while minimizing the need to sweat to stay cool.

via Ancient Origins|

#brain-expansion #hair-texture #heat-regulation

science2 years ago•5 min saved

The Evolutionary Benefits of Hair: From Cooling to Growth Stimulation.

Curly hair in early humans was an adaptive trait that protected them from the sun's heat and minimized the need for sweating, allowing for brain growth by conserving water and reducing heat. Researchers used a thermal manikin and human hair wigs to examine how diverse hair textures affect heat gain from solar radiation. They found that tightly curled hair provided the best protection from the sun's radiative heat while minimizing the need to sweat to stay cool. The study sheds light on an evolutionary adaptation that enabled the human brain to grow to modern-day sizes.

via SciTechDaily|

#body-temperature #equatorial-africa #evolution

science2 years ago•6 min saved

The Evolutionary Benefits of Curly Hair and a Baldness Breakthrough

Tightly curled hair served a crucial function in regulating body temperature and conserving water for early humans in equatorial Africa, according to recent research by Penn State University and Loughborough University. The study used a thermal manikin to simulate body heat and found that tightly curled hair offered superior sun protection and minimized the need to sweat for cooling. The research sheds light on the intricate process of human evolution and the multifaceted roles of physical traits like hair texture. It could also have real-world implications for professions or activities that involve exposure to varied climates.

via Earth.com|

#anthropology #body-temperature #hair-texture