A friend of mine sent me the following excellent video this morning providing an amazing visual to demonstrate the improvements in our health and living age as a society over the last 200 years.
This concept has importance beyond a general feeling of healthy growth as a society. As humans continuously live longer and continue to have more children, it has an enormous effect on the consumption of natural resources on our planet; a topic that is relevant to review on a day when oil is crossing $105 per barrel. The best illustration of this impact can be understood through watching Chris Martensen's "Crash Course." The following video is his introduction to the concept of "exponential growth."
You can view the complete Crash Course, an absolute must watch, by clicking here.