Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...
Boing Boing on MSN
A 1992 paper proposed classifying happiness as a psychiatric disorder
In 1992, psychologist Richard P. Bentall of Liverpool University published a paper in the Journal of Medical Ethics proposing that happiness be reclassified as a psychiatric disorder. He suggested the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results