"I went to the woods because I wished to live deliberately, to front only the essential facts of life, and see if I could not learn what it had to teach, and not, when I came to die, discover that ...

The upright citizens of Concord, Massachusetts, didn't think much of young Henry David Thoreau. The cabin on Walden Pond, the night in jail for tax evasion, the constant scribbling in journals ...

and when the ice melted on Walden Pond. Some 160 years later, Richard Primack, a biologist at Boston University, is using Thoreau’s handwritten data to track how the climate has changed in this ...

The U.S. author and philosopher Henry D. Thoreau (1817-1862) was in his late 20s when he built himself a hut on the shores of Walden Pond in Greater Boston, Massachusetts, where he lived a life of ...