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Hosts Bump Into Each Other At A Game
- Josh and Chuck describe a casual encounter at a Hawks game and joke about nosebleeds.
- They use the conversation to segue into talking about blood and cell shedding.
You Become A New Body Over Years
- Most of the human body's cells are replaced over years, so you become largely new tissue every 7–10 years.
- Dr. Jonas Frisen used carbon-14 spikes from nuclear testing to accurately date human cells and tissues.
Nuclear Tests Left A Biological Timestamp
- Atmospheric carbon-14 spiked from 1954–1963 due to nuclear testing and entered all living organisms.
- Frisen matched that spike to tissue carbon-14 to create a cell-age calendar and date human cells precisely.