In the 19th century, puddings were as popular and widespread as pasta dishes are today.
Thoreau spent his life pursuing the 'hard bottom' of truth. But he confronted a sensationalist newspaper industry that, in many ways, mimicked today's media environment.
What can we learn from the 19th-century Qing dynasty?
The likes of Charles Darwin and Humphry Davy weren't always seen as the powerful, authoritative heroes they're portrayed as today.