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Horrible chart junk, but credible domain ( http://www.nsf.gov/news/speeches/colwell/rc02_asm_keynote/sld028.htm http://www.nsf.gov/news/speeches/colwell/rc02_as
by brianm 17y ago
Horrible chart junk, but credible domain ( http://www.nsf.gov/news/speeches/colwell/rc02_asm_keynote/sld028.htm http://www.nsf.gov/news/speeches/colwell/rc02_asm_keynote/sl... ) puts life expectancy in 1900 around 45 years.