Origin Stories
The Story of Human Hair
Apr 30, 2024
Dr. Tina Lasisi, a biological anthropologist, explains the evolutionary mysteries of human hair. She discusses why humans have scalp hair and why curly hair is unique. Topics include the evolution of hair to reduce heat, diversity in human hair, and the transition from cultural to biological anthropology.
35:27
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Quick takeaways
- Human scalp hair reflects evolutionary efficiency in successful solutions to environmental challenges.
- Tightly coiled human hair may have evolved as a strategic response to environmental pressure, aiding in heat regulation.
Deep dives
Evolutionary Considerations of Human Hair and Evolutionary Adaptations
Humans stand out among mammals for having hair predominantly on their heads. This unique feature reflects evolutionary efficiency, signaling convergent evolution's repeated application of successful solutions. Dr. Tina Lassisi's research delves into the genetic underpinnings of human hair variation. Through examining fossil evidence and genetic clues, Lassisi unravels how hair, along with skin pigmentation, shaped human evolution, impacting brain development and functionality.
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