uses for human urine, Tag
1. A second mini moon circling Earth
The moon has figured prominently in our culture, popping up in songs, poems, and literature throughout the centuries. So NASA's confirmation that there's a second moon piqued the curiosity...
Photo of green roof via Shutterstock The idea of someone sprinkling urine on building rooftops sounds like a major health hazard, but that's just what Amsterdam's water utility, Waternet, recently proposed...
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