How a penny made me feel like a millionaire | Tania Luna

https://download.ted.com/talks/TaniaLuna_2012S-480p.mp4?apikey=172BB350-0008As a young child, Tania Luna left her home in post-Chernobyl Ukraine to take asylum in the US. And one day, on the floor of the New York homeless shelter where she and her family lived, she found a penny. She has never again felt so rich. A meditation on the bittersweet joys of childhood — and how to hold them in mind.

A promising test for pancreatic cancer … from a teenager | Jack Andraka

https://download.ted.com/talks/JackAndraka_2013-480p.mp4?apikey=172BB350-0008Over 85 percent of all pancreatic cancers are diagnosed late, when someone has less than two percent chance of survival. How could this be? Jack Andraka talks about how he developed a promising early detection test for pancreatic cancer that’s super cheap, effective and non-invasive — all before his 16th birthday.