Most life on Earth depends upon plants for energy. Plants capture light from the sun and use it to build up chemical stores of energy. This is called photosynthesis. The basic structure of a plant ...

The appendix may help support the immune system by storing good bacteria. A person can live a normal life without an appendix. The appendix, once thought to be useless, may actually play a role in ...

Peptides, short chains of amino acids, help with blood pressure and wound healing. Some peptide supplements can reduce inflammation and boost muscle growth. Peptides in foods like eggs, milk, and soy ...