In addition, some of the materials used in IQ tests may be totally foreign to certain cultures, thus creating inequalities and biases. It is interesting to note that IQ scores have increased so much over the 20th century that most of today's test takers would be considered 'geniuses' by 1900 standards.
Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines.
What is a TMDL? A TMDL is a tool for reducing water pollution in impaired waters. A TMDL calculates the amount of a pollutant that the waterbody can receive and still meet applicable water quality standards. Basically, a TMDL is the sum of the allowable loads of a single pollutant from all contributing point and nonpoint sources with a margin of safety (MOS) that accounts for uncertainty.