Although Mars presents a barren, dusty landscape with no signs of life so far, its geological features such as deltas, lakebeds, and river valleys strongly suggest a past where water once flowed abundantly on its surface. ...
Astrobiology
20 hours ago
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173
Farmers in a time crunch have a new, speedier option for analyzing the texture and organic matter content of the soil on their fields.
Agriculture
15 hours ago
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1
Organic matter (or organic material) is matter that has come from a once-living organism; is capable of decay, or the product of decay; or is composed of organic compounds. The definition of organic matter varies upon the subject it is being used for.
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