The theory of natural selection was the co-discovery of two men, but by the mid 1860s one of its progenitors began to reject his own theory.
Any of us can point to certain pivotal events in our past that need not have occurred, but did.
Marvelously free of racist prejudice, Wallace noted in his fieldwork in far-flung locations that primitive tribes were intellectually the equals of Europeans.
Given the degree of discipleship for Sir Charles, Darwin fully expected to receive Lyell’s commendation for his labors.
Only a special type of being very close to our own biological design could have taken the first and vital step to technological enlightenment, fire-making.