Martian “dark sand cascades” are found to be evidence of microbial activity.

Created by NathanMcKnight on 2012-11-25; known on 2062-01-01

• NathanMcKnight estimated 50% on 2012-11-25
• NathanMcKnight said “Image: http://apod.nasa.gov/apod/image/1001/almosttrees_mro_big.jpg” on 2012-11-25
• JoshuaZ estimated 11% on 2012-11-25
• Qiaochu estimated 5% on 2012-11-26
• ChristianKl estimated 10% on 2012-12-04
• NathanMcKnight changed their prediction from “Mars's “dark sand cascades” are found to be evidence of microbial activity.” on 2013-04-14
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• themusicgod1 estimated 5% on 2016-10-10