"Between 1920 and 2020, the average human life span doubled. How did we do it?
Science mattered — but so did activism."
"Steven Johnson’s article is excerpted from his 13th book, “Extra Life: A Short
History of Living Longer.” Johnson is also a host of a four-part PBS/BBC series
of the same title airing this month."
Via Bill Daul.
Share and enjoy,
*** Xanni ***
Chief Scientist, Xanadu
Partner, Glass Wings
Manager, Serious Cybernetics