My NatGeo Videos:

Well, it seems they took down all the participants' videos.

1st Contest (2017):

The Power of LOVE: ‘Life’s Optimal Virtuous Economy’ Manifested from a Clean Free-Energy Revolution with Water

LifeLine Smartphone App: End Poverty, Feed the Billions, Save the Planet, Free Healthcare & Utopia!

Newest Contest (2018):

A Better Socioeconomic System Through Technology: Solve Poverty, Hunger, Homelessness, Crime & More