How to Apply the Science of Success to Your Career & What You Never Knew About Your Bones

Evolution

Human bones have evolved significantly over time, influenced by both genetics and cultural practices. Brian Switek explains that while we might think humans are getting taller, this change is more about reaching biological potentials due to better nutrition and care rather than an evolutionary adaptation 1. Our bones have also become less dense since the invention of agriculture, resembling a form of osteoporosis due to decreased physical activity 1. He notes that our skeletal structure, while not optimal by design, has adapted to allow remarkable flexibility and tool manipulation, setting us apart from other species 2.

We're really, actually kind of weird species. But what's made us so successful is our ability to be flexible and adaptive with our minds and manipulating the environment around us.

--- Brian Switek

This adaptability is a testament to the quirks of our evolutionary past.

   

Bone Repair

The natural healing process of bones is a fascinating aspect of human biology. Brian Switek highlights that bones are constantly renewing themselves, with a complete turnover occurring roughly every ten years 2. This regenerative ability allows bones to heal from fractures by laying down new tissue and removing the old, damaged parts 2. He also mentions that bones are resilient, often repairing unnoticed injuries from everyday activities, which underscores their remarkable self-sufficiency 3.

With the proper care and patience, that bone can repair itself and go back to doing its old job.

--- Brian Switek

This self-repair mechanism is crucial for maintaining our skeletal integrity throughout life.

   

Cultural Views

Cultural perceptions of bones have evolved alongside scientific understanding. Brian Switek discusses how bones were historically used to support racial theories, which have since been debunked as race is a social construct without biological markers 4. He explains that bones are multifunctional, providing protection, movement, and even blood cell production through bone marrow 5. Despite their strength, the human skeleton is not without flaws, as our upright posture can lead to common issues like back pain 5.

The fact that we stand upright and all the pains associated from that is really something handed down to us from our past history.

--- Brian Switek

These insights reveal the complex interplay between biology and culture in shaping our understanding of bones.