BBC Earth Science | Tears communicate our emotions 👁️ #Shorts #Science #Microscope @BBCEarthScience | Uploaded 6 months ago | Updated 22 hours ago
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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--contact-details.aspx