In this short talk from TED U, Joachim de Posada shares a landmark experiment on delayed gratification — and how it can predict future success. With priceless video of kids trying their hardest not to eat the marshmallow.

Doctors without borders MSF – Working in a post earthquake zone here, I have gotten increasingly used to the periodic tremors that are common after the upheaval of a major seismic event as the layers of land settle and stabilise. When in the city or office I hardly notice them, they could be faint vibration of a large lorry driving past, or just my own clumsiness causing me to stumble as I walk. I usually rely on others to tell me that one has happened, or as in our hotel grounds, the startled calls of the birds as they rise shaken from the trees.

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Source: Epicentre – part one | Doctors without borders