2 Ergebnisse für: 5.001.652
-
Lewis Pugh swims the North Pole - YouTube
https://www.youtube.com/watch?v=HALd9FY5-VQ
http://www.ted.com Lewis Pugh talks about his record-breaking swim across the North Pole. He braved the icy waters (in a Speedo) to highlight the melting ice...
-
Tim Harford: Trial, error and the God complex - YouTube
https://www.youtube.com/watch?v=K5wCfYujRdE
http://www.ted.com Economics writer Tim Harford studies complex systems -- and finds a surprising link among the successful ones: they were built through tri...