Science
‘Underground lakes’ of liquid water on Mars are becoming more likely – Commentary Box Sports
Smectite looks like ordinary rock but was formed by water a long time ago. Smith and his team placed several samples of smectite…

Smectite looks like ordinary rock but was formed by water a long time ago. Smith and his team placed several samples of smectite in a cylinder designed to measure how radar signals interact with it.
He also froze the samples with liquid nitrogen to minus…
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