What a difference 180 years makes. Back in the 1830s, a Scottish minister and amateur astronomer named Thomas Dick tried to calculate the number of intelligent creatures in the universe. He assumed ...
You report that life in Venusian clouds “could upend our ideas about what life can be and how it arises” (19 September, p 7). However, we know that Martian rocks have travelled to Earth and a lesser ...
What a difference 180 years makes. Back in the 1830s, a Scottish minister and amateur astronomer named Thomas Dick tried to calculate the number of intelligent creatures in the universe. He assumed ...
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