An organism that is not directly dependent on another organism for survival.

Any plausible pathway by which the molecular precursors of life (amino acids, bases and ribose phosphates) may have been formed in the early Earth.

A cactus (family Cactaceae) (Stenocereus thurberi, syn. Glandulicereus thurberi), widespread in Mexico.

plural of organ pipe cactus

plural of organ pipe cactus

A display using organic electroluminescent materials such as organic light-emitting diodes.

plural of organic electroluminescent display

(chemistry) Any of several highly porous, crystalline substances having a cage structure of metal ions coordinated to organic compounds; they have an application in the bulk storage of gases such as hydrogen

Any organic chemical compound that can significantly vaporize under conditions of normal atmospheric temperature and pressure.

The person who is in charge, rather than a lackey or representative.