1930 US Census with Carl Jean Johnson in Marion. Scanned from the original NARA microfilm of the Census Bureau document. (Photo credit: Wikipedia)
My grandmother lived to be over 100 years old, although she never looked it. I often wonder if our family has some “longevity” gene, or if her age is unique to our history.
I could have my personal genome mapped to predict my own longevity — as I learned when writing about how cloud and big data are disrupting the Human Genome.
But when....