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Neil deGrasse Tyson on Surviving in Space without a Spacesuit
Lesson duration 03:05
285,427 Views
¿Qué le da el valor a un billete de dólar? - Doug Levinson
Lesson duration 03:52
650,017 Views
¿Qué nos enseñaron los perros sobre la diabetes a los seres humanos? - Duncan Fe
Lesson duration 03:48
35,773 Views
3,041,626 Views
The incredible collaboration behind the International Space Station
Lesson duration 04:58
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194,846 Views
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2,685,581 Views
254,244 Views
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2,361,591 Views
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48,872 Views
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La sencilla historia de la fotosíntesis y la comida - Amanda Ooten
Lesson duration 04:01
59,395 Views