Ramblin' Jan: Is Martian Soil Moist?

Ramblin' Jan: Is Martian Soil Moist?
A device born from the need to test soil moisture around peanut plants is now being used to help test the soil on Mars.“We designed the device to measure the water content around peanut pods,” said Williams, an agronomist with the University of Georgia College of Agricultural and Environmental Sciences. “At the time, there was no way to measure without disturbing the soil and destroying the pod.”...