Color in certain places has the great value of making the outlines and structural planes seem more energetic.
Owing to the difficulty of dealing with substances of high molecular weight we are still a long way from having determined the chemical characteristics and the constitution of proteins, which are regarded as the principal con-stituents of living organisms.
For a long time all I wanted for Christmas were books about outdoor survival. I was convinced that the woods were calling me. I camped a lot, I took classes. At 18, I told myself if I don't live in the woods by myself by the time I'm 25, I have failed.