A giraffe looks perfectly suited for its environment. But that long neck hides a stunning error
of evolutionary engineering.
Although it’s just a few inches from the brain, the nerves controlling a giraffe’s
voice box take a 15-foot detour before reaching their destination.
We’re wired up the same way. The nerve letting me to talk to you right now is wrapped around
my aorta. In our fish ancestors, that nerve connected
brain to gills. But as gills gave way to lungs and heads moved forward, things got a little tangled.
Our bodies are full of examples proving… evolution can be kind of dumb.
Why else would the waste management system be built by the amusement park?
Why else would we eat, drink, and breathe all through the same hole?
Why do we get cavities, or cancer? Why else would I be wearing these?!
Because natural selection isn’t about “survival of the fittest”, it’s survival of the
Nature can’t draw up a body from scratch, it can only tweak existing plans. And if a
plan works well enough to allow an organism to reproduce, it gets passed on, tangled wiring
Life may not be logical, but you know I’m speaking from the heart when I say, “Congratulations
on being good enough.”