After 40 years of wondering why, scientists have discovered that duplicate genes confer 'mutational robustness' in individuals, which allows them to adapt to novel, potentially dangerous environments.

German psychologist Wolfgang Köhler set up a famous experiment more than 100 years ago that changed how scientists understand animal intelligence and the power of insight — or spontaneous ...

Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...