Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

Learn how hedonic regression helps estimate factors affecting prices in real estate and consumer goods, aiding in precise ...

Cannabis drug tests measure tetrahydrocannabinol (THC) and its metabolites, which can stay in your body long after the “high” fades. Detection ranges from hours in blood or saliva to weeks or months ...