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 ...

Organelles are entities within a eukaryotic cell that have a specialised function. Examples of organelles include the nucleus, the endoplasmic reticulum, the Golgi, mitochondria, vacuoles or lysosomes ...

Antioxidants are compounds your body makes and gets from food that protect cells from free radicals, lowering oxidative stress and chronic disease risk. Antioxidant-rich foods include dark chocolate, ...

Several vitamins and supplements can provide additional support for stress, in addition to exercising regularly, getting enough sleep, and eating a nutritious diet Here are the best vitamins and ...