Results 1-3 of 85
When these separate parts were tested for biological activity , they were found to be inert , that is , they were unable to multiply in a susceptible organism . This biological activity was restored , however , when the parts of the ...
It goes on to diverse views of the nature of dreams and to methods of studying dreams and the activities that occur during ... Internal determinants of responsiveness ; e.g. , physical condition , genetic makeup , reflex activity of the ...
Cyclical factors : daily , monthly , seasonal , annual , and other cyclic variations in activity level 14 : 69e - 75a passim / 12 : 559e - g 15 : 350g - 351c e . Individual and group differences in level of activity i .
What people are saying - Write a review
The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review
Part One Matter and energy
Energy radiation and the states and transformation of matter
46 other sections not shown