A microscopic look at why the world is running out of sand

Humans are using more sand than the Earth is naturally producing, and that’s a problem for the global construction industry. But it turns out that the usefulness of sand depends on the science of each tiny little grain. We went on a sand scavenger hunt to collect some samples, look at them under a microscope, and try to figure out why sand scarcity is such a problem. Video: William Poor, Alex Parkin, Cory Zapatka Additional Camera: Cynthia Gil, Tom Connors Audio: Andrew Marino Director of Audience Development: Ruben Salvadori Social Media Manager: Dilpreet Kainth Subscribe: http://bit.ly/2FqJZMl Like Verge Science on Facebook: http://bit.ly/2hoSukO Follow on Twitter: http://bit.ly/2Kr29B9 Follow on Instagram: https://goo.gl/7ZeLvX Read More: http://www.theverge.com Community guidelines: http://bit.ly/2D0hlAv Subscribe to Verge on YouTube for explainers, product reviews, technology news, and more: http://goo.gl/G5RXGs

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