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New materials could be used to make
on the Moon. Scientists from Holland, Italy, Norway and Spain say a new
of concrete could be made with moon dust and the urine passed by astronauts. The
said there is a chemical
in human urine called urea. This could help things stick together to make a kind of concrete. Scientists would use 3D
to create the construction
. Three of the world's main space agencies could start using this
to make buildings for a permanent moon
. NASA, the European Space Agency (ESA) and the China National Space Administration are all
in colonizing the Moon with research
.
