Some miracle drugs emerge from eureka moments, but more often a new compound results from years of meticulous, plodding work championed by a true believer.

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One key element in searching for life on Mars is the presence of methane in the Martian atmosphere As a simple carbon compound, methane is often a precursor to the formation of the complex organic chemicals that make life possible.

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To compound the problem, FTD is often misdiagnosed as depression or even a severe midlife crisis, Rankin said.

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