The cyclists inhaled higher levels of hydrocarbons than the average amount present at the sample air collection locations in the Chicago metro areas, ranging from 25 ppm – 250 ppm higher, depending ...

This article was originally published with the title “ Mathematics in the Physical Sciences ” in Scientific American Magazine Vol. 211 No. 3 (September 1964), p. 128 doi:10.1038 ...

E.12 Physical Sciences Research Studies solicits proposals to investigate physical phenomena in the absence of gravity and ...

Physical science, beginning and ending in sensory phenomena, is an example of the first kind; psychology an example of the second. But the ordinary use of the term ‘empirical’ limits ...