Investigating the World's Elements | BBC Earth Science

From the secret history of your gold jewellery to nitrogen’s role in the First World War, there’s so much more to elements than knowing your periodic table. But what happens when these resources are manipulated or run out for good? Source: 47:00 - American Geophysical Union 2017 48:30 - Environmental Science and Technology 2019 Best of Earth Science: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-feedback-...