This chapter explores the historical theories of Mars exploration, focusing on a late 19th-century astronomer's belief in advanced canal systems created by Martians. It discusses public reception, the eventual debunking of these ideas, and the ongoing human fascination with the search for extraterrestrial life.
Peace talks in Doha have a chance at progress even in Hamas’s absence. The outcome could determine the scope of Iran’s promised retaliations against Israel. New research suggests Mars may have an ocean’s worth of water deep in its crust (10:30). And Colombia’s bid to sate the global hunger for more sources of vanilla (18:14).
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