Inventions That Have Saved Billions of Lives

I was looking for estimates of how many lives have been saved by vaccines and came across this excellent article. The other inventions that rank as high as vaccines include blood transfusions, synthetic fertilizers, and toilets. The graphic visualization is also very cool.

“For most of civilized history, life expectancy fluctuated in the 30 to 40 year range…By the 20th century, an explosion in new technologies, treatments, and other science-backed practices helped to increase global life expectancy at an unprecedented rate…What were the major innovations that made the last century so very fruitful in saving lives?

These discoveries saved billions of lives | World Economic Forum

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