2020.02.04

An Ancient Outline

Spiderlike cave creatures help to map the last ice age

Source: “Tracking the Ice: Subterranean Harvestmen Distribution Matches Ancient Glacier Margins,” by Stefano Mammola et al., in Journal of Zoological Systematics and Evolutionary Research, Vol. 57; January 17, 2019. Credit: Mapping Specialists

Source: “Tracking the Ice: Subterranean Harvestmen Distribution Matches Ancient Glacier Margins,” by Stefano Mammola et al., in Journal of Zoological Systematics and Evolutionary Research, Vol. 57; January 17, 2019. Credit: Mapping Specialists

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