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That’s because some cells are born after you are, sometimes many many years after, but we’re not really sure which ones, or when — it’s not as if there are cellular birthday parties, marked by balloons and cake.So the question of age remained relatively unanswered until the early aughts, when scientist While Mary Webster has a very interesting analysis of tissue age, she is apparently unaware of the natural production of C-14 by cosmic rays in the upper atmosphere.Fossil-fuel emissions are not only messing with our future, but they are also messing with our ability to accurately date the past.

Loki: How desperate are you, that you call on such lost creatures to defend you? Or the only ones left who are in a position to try and save the day are the Ragtag Bunch of Misfits who've been bumbling their way in the background the whole time.

The new study suggests that some of these current uses will be affected over this century, depending on how much fossil fuel emissions increase or decrease.

"If we reduced fossil fuel emissions, it would be good news for radiocarbon dating," said the study's author, Dr Heather Graven from the Department of Physics and the Grantham Institute -- Climate Change and Environment at Imperial College London.

If one was done in the middle of the ocean...unless it was reported..would never even know. These element podcasts connect A LOT of info to their 8th grade brains.

I have been a faithful fan of Radiolab for past 5 years.

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