1 Audio Player. 2  Kefalovâs team developed this adapter that allowed scientists to analyze retinal cells and photopigment molecules as they were exposed to infrared light. The device already is commercially available and in use at several vision research centers around the world.
Definition of environment: The sum total of all surroundings of a living organism, including natural forces and other living things, which provide conditions for development and growth as well as of danger and damage. See ...
All living and non-living things that occur naturally on a particular region. A natural environment is one in which human impact is kept under a certain limited level. Word origin: environment < Middle English envirounen, from Old French environner, from environ, round about. Compare: built environment. See also: environment.