Thomas Edison is often described as America's greatest inventor. His successes include electric power generation, sound recording, and the electric lightbulb. But he was tenacious; he famously tested 1,000 different designs before settling on the carbon filament that became the first commercially successful lightbulb. Data researchers featured in this article found that for startups, scientists, and terrorists alike, learning too little from experience spells doom. To read more, click here.