Child mortality is probably one of the best matricks that you can look at over time for the overall health of a society. In 18 hundred forty three % of children would die before their fifth birthday. That number to day is under five percent in the developed world, and it's under one per cent in wealthier countries. Life expectancy across the world was around 30, maybe up to 35, until 19 hundred. And then it really in the last century where things completely changed,. You just see this totally upward trajectory.
"The only constant is change", they say.
In this episode, Cal and Steph discuss just how drastically the world has changed and will continue to change.
From the iPhone... to the Internet... to antibiotics... to human flight... to to the sequencing of DNA... to perhaps the most important fact that humans now live more than double as long... these developments all happened within the last 100 years.
Given that things within a single lifetime can go from being inconceivable to ubiquitous, it's mind-blowing to imagine what might be come.
They use the remainder of the episode to explore what might be to come, whether it be proactive medicine, computer-brain interfaces, printed food, digital warfare, and much more.
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