The central problem of biological evolution is the nature of mutation, but hitherto the occurrence of this has been wholly refractory and impossible ….

The most consequential change in man's view of the world, of living nature and of himself came with the introduction, over a period of some 100 years….

I grow increasingly aware, and in more ways than expected that I am at the center of my own field; and whether it be folly or wisdom, it is a very pl….

Man has risen, not fallen. He can choose to develop his capacities as the highest animal and to try to rise still farther, or he can choose otherwise….

The mathematician may be compared to a designer of garments, who is utterly oblivious of the creatures whom his garments may fit. To be sure, his art….

Chance throws peculiar conditions in everyone's way. If we apply intelligence, patience and special vision, we are rewarded with new creative breakth….

As science is more and more subject to grave misuse as well as to use for human benefit it has also become the scientist's responsibility to become a….

These changes-the more rapid pulse, the deeper breathing, the increase of sugar in the blood, the secretion from the adrenal glands-were very diverse….

Gentlemen, that is surely true, it is absolutely paradoxical; we cannot understand it, and we don't know what it means. But we have proved it, and th….

To say that a man is made up of certain chemical elements is a satisfactory description only for those who intend to use him as a fertilizer..

Surely the right course is to test the Russians, not the bombs..

I have but one lamp by which my feet are guided, and that is the lamp of experience. I know no way of judging of the future but by the past..

Maxwell's theory is Maxwell's system of equations..

True optimization is the revolutionary contribution of modern research to decision processes..

A mere index hunter, who held the eel of science by the tail. Index-hunter is a term used mockingly, meaning one who acquires superficial knowledge m….

It is probably no exaggeration to suppose that in order to improve such an organ as the eye at all, it must be improved in ten different ways at once….

Stem cells are probably going to be extremely useful. But it isn't a given, and even if it were, I don't think the end justifies the means. I am not ….

The Science Coalition, which grew out of an initial concept at Harvard and at MIT, has now grown to an informal group of about 60 research universiti….

Science advances one funeral at a time..

Natural selection based on the differential multiplication of variant types cannot exist before there is material capable of replicating itself and i….

What is needed is an all-out science project to get vehicles off of gasoline, rather than off of the earth..