Astronauts may be able to make cement using their own pee (www.sciencenews.org)
Lunar dust and a compound found in urine could be used to build future dwellings on the moon, a new study finds.
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Lunar dust and a compound found in urine could be used to build future dwellings on the moon, a new study finds.
The tool, unearthed in Central Europe, suggests that locals made devices for stringing together sturdy cords over 35,000 years ago, researchers say.