Radon is a chemically inert, naturally occurring radioactive gas. It has no smell, colour or taste.
Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers.
An interesting choice being investigated by the team is a membrane that contains the naturally occurring F1 and F0 motors of the ATP-Synthase.
Hardseedness is a naturally occurring phenomenon for many plants, especially leguminous species.
Rhenium (re) : the last of the naturally occurring elements to be discovered, this silvery metal is used in small amounts with nickel in jet engines.
Radon is a chemically inert, naturally occurring radioactive gas without odour, colour or taste.
A naturally occurring substance found in plants, animals and humans, squalene is synthesized in the liver and circulates in the human bloodstream.
A naturally occurring sweetener, xylitol had primarily been known in Finland for its effectiveness in preventing tooth decay.
Back then they were made of naturally occurring objects - coconuts, sea shells, hollow stones or similar objects filled with moss or a similar material that was soaked with animal fat and ignited.
Arsenic and lead are also naturally occurring metallic elements that have varieties of USES in industry from insecticides to electronics.
