Only a few centuries have passed since those pre-Columbian days, yet today our whole earth has become only another shore from which we look out across the dark ocean of space, uncertain what we shall find when we sail out among the stars, but like the Norsemen and the Polynesians of old, lured by the very challenge of the unknown.

Tradition is important in the Government, but fortunately I had conspirators who were willing to help me shatter precedent. But among my male colleagues who had to sign the papers, the thought of one woman on a ship with some fifty men was unthinkable. After much soul searching, it was decided that maybe two women would be all right, so I arranged with a friend, who was also a writer, to go with me.

There is one quality that characterizes all of us who deal with the sciences of the earth and its life-we are never bored. We can't be. There is always something new to be investigated. Every mystery solved brings us to the threshold of a greater one...

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The real wealth of the Nation lies in the resources of the earth — soil, water, forests, minerals, and wildlife. To utilize them for present needs while insuring their preservation for future generations requires a delicately balanced and continuing program, based on the most extensive research. Their administration is not properly, and cannot be, a matter of politics.

A Who's Who of pesticides is therefore of concern to us all. If we are going to live so intimately with these chemicals eating and drinking them, taking them into the very marrow of our bones - we had better know something about their nature and their power.

Los peces, los anfibios y los reptiles por un lado y las aves y los mamíferos de sangre caliente por otro, y cada uno de nosotros, llevamos en nuestras venas la corriente salina de nuestra sangre, en la cual el sodio, el potasio y el calcio se hallan en proporciones muy semejantes a las que existen en el agua del mar. Ésta es nuestra herencia desde el día, hace un número incalculable de millones de años, en que un remoto antecesor pasó de la etapa unicelular a la pluricelular y adquirió por vez primera un sistema circulatorio, en el interior del cual corría un fluido casi idéntico al agua del mar.

Until we have the courage to recognize cruelty for what it is... we cannot expect things to be much better in this world... We cannot have peace among men whose hearts delight in killing any living creature. By every act that glorifies or even tolerates such moronic delight in killing we set back the progress of humanity.

If the crisis that now confronts us is even more urgent than those of the early years of the century-and I believe it is this is because of wholly new factors peculiar to our own time. These are, first of all, the phenomenal growth of the human population, threatening to over-run its own environment in a way that can bring only deep concern to thoughtful students of population problems. The second factor is a corollary of the first: that as people and their demands increase, there is a smaller share of the earth's resources for each of us to use and enjoy. There is less clean water, less uncontaminated air; there are fewer forests, fewer unspoiled wilderness areas. The third reason is the introduction of new and dangerous contaminants into soil, water, air, and the bodies of plants and animals as our new technology spreads its poisons and its discarded wastes over the land.

the distinguishing feature of man's activities is that they have almost always been undertaken from the narrow viewpoint of short-range gain, without considering either their impact on the earth or their long-range effect upon ourselves. They have been distinguished, also, by a curious unwillingness to be guided by the knowledge that is available in certain areas of science. I mean especially the knowledge of biologists, of ecologists, of geneticists, all of whom have special areas of competence that should allow them to predict the effect of our actions on living creatures, including, of course, man himself.

Although man's record as a steward of the natural resources of the earth has been a discouraging one, there has long been a certain comfort in the belief that the sea, at least, was inviolate, beyond man's ability to change and to despoil. But this belief, unfortunately, has proved to be naive. In unlocking the secrets of the atom, modern man has found himself confronted with a frightening problem-what to do with the most dangerous materials that have ever existed in all the earth's history, the by-products of atomic fission. The stark problem that faces him is whether he can dispose of these lethal substances without rendering the earth uninhabitable. No account of the sea today is complete unless it takes note of this ominous problem. By its very vastness and its seeming remoteness, the sea has invited the attention of those who have the problem of disposal, and with very little discussion and almost no public notice, at least until the late 'fifties, the sea has been selected as a "natural" burying place for the contaminated rubbish and other "low-level wastes" of the Atomic Age.

There is something deeply impressive about the night sea as one experiences it from a small vessel far from land. When I stood on the afterdeck on those dark nights, on a tiny man-made island of wood and steel, dimly seeing the great shapes of waves that rolled about us, I think I was conscious as never before that ours is a water world, dominated by the immensity of the sea....

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To stand at the edge of the sea, to sense the ebb and flow of the tides, to feel the breath of a mist moving over a great salt marsh, to watch the flight of shore birds that have swept up and down the surf lines of the continents for untold thousands of years, to see the running of the old eels and the young shad to the sea, is to have knowledge of things that are as nearly eternal as any earthly life can be.