By fact-checking Thoreau's observations at Walden Pond, we showed how old diaries and specimens can inform modern research

Journals, museum collections and other historical sources can provide valuable data for modern ecological studies. But just because a source is old doesn’t make it useful.

Richard B. Primack, Professor of Biology, Boston University • conversation
Oct. 26, 2022 • ~10 min

What 'Walden' can tell us about social distancing and focusing on life's essentials

'Walden,' published in 1854, is a manual for solitude with a purpose.

Robert M. Thorson, Professor of Geology, University of Connecticut • conversation
March 26, 2020 • ~8 min

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