How Old Are You, Really?

2015-11-05

[public] 291K views, 6.40K likes, 203 dislikes audio only

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I first heard about this story on RadioLab in their Elements episode: http://www.radiolab.org/story/elements/ It blew my mind. Go listen, it's an awesome collection of stories.

BrainCraft is created and hosted by Vanessa Hill and brought to you by PBS Digital Studios. Talking psychology, neuroscience & why we act the way we do.

Sound design: Joel Werner (http://joelwerner.com)

Production Assistant: Ella Colley

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More BrainCraft!

Your Brain on Mars: /youtube/video/Y19fwDEfQ8E

The Surprising Ways Death Shapes Our Lives: /youtube/video/Joalg73L_gw

MUSIC

Happy Birthday Georgie

https://www.freesound.org/people/kwahmah_02/sounds/323138/

Super Psyched for Your Birthday by The Danimals http://freemusicarchive.org/music/Danimals_Band/The_New_Birthday_Song_Contest/TheDanimalsBandSuperPsychedforYourBirthday_1971

REFERENCES

Spalding, K. L., Bhardwaj, R. D., Buchholz, B. A., Druid, H., & Frisén, J. (2005). Retrospective birth dating of cells in humans. Cell, 122(1), 133-143. http://www.sciencedirect.com/science/article/pii/S0092867405004083

Bhardwaj, R. D., Curtis, M. A., Spalding, K. L., Buchholz, B. A., Fink, D., Björk-Eriksson, T., ... & Frisén, J. (2006). Neocortical neurogenesis in humans is restricted to development. Proceedings of the National Academy of Sciences,103(33), 12564-12568. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1567918/

Ernst, A., & Frisén, J. (2015). Adult neurogenesis in humans-common and unique traits in mammals. PLoS Biol, 13(1), e1002045. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4306487/

Lynnerup, N., Kjeldsen, H., Heegaard, S., Jacobsen, C., & Heinemeier, J. (2008). Radiocarbon dating of the human eye lens crystallines reveal proteins without carbon turnover throughout life. PLoS One, 3(1), e1529. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0001529

Recent review article: Bergmann, O., Spalding, K. L., & Frisén, J. (2015). Adult neurogenesis in humans. Cold Spring Harbor perspectives in biology, 7(7), a018994. http://cshperspectives.cshlp.org/content/7/7/a018994.full

What is radiocarbon dating and how does it work? http://theconversation.com/explainer-what-is-radiocarbon-dating-and-how-does-it-work-9690