Thanking the astronauts for their resilience and flexibility, he said SpaceX had been a "great partner".
He walked past the dozens of reporters camped outside and handed a box to Marilyn.
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Agar’s low viscosity also makes it easy to pour into Petri dishes, and its transparency permits observation of microbes growing on its surface.7 Also aiding in this is its low syneresis (extrusion of water from the gel), guaranteeing less surface “sweating”: Once a plate is inoculated, bacterial colonies stay in place and do not mix.
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