The DNA of tiny Antarctic invertebrates holds clues to past climates and the ancient history of a massive ice sheet. Learn more in this new paper from Diana Wall and colleagues.
Collins, G. E. et al. Genetic diversity of soil invertebrates corroborates timing estimates for past collapses of the West Antarctic Ice Sheet. Proc. Natl. Acad. Sci. U. S. A. 117, 22293–22302 (2020).