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In this article, the white cliffs of Dover are offered as a “notable example” of the precipitated carbonate deposits some have expected to find had Mars been wet and warm in the past. The Dover chalks are an unfortunate choice for comparison because they’re composed primarily of the calcitic remains of microscopic marine phytoplankton. As […]
By Science News -
Planetary ScienceMartian Invasion
If all goes according to plan, three spacecraft—one in December, two in January—will land on the Red Planet, looking for evidence that liquid water once flowed on its surface.
By Ron Cowen -
TechCraft Tech
The Craft Technology Group at the University of Colorado, Boulder, interweaves computation with craft materials both new and old.