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Spaceship Earth now has 150 admirals. The five admirals in the staterooms immediately above the ship's fuel tanks claim that they own the oil. The admirals with staterooms surrounding the ship's kitchen, dining rooms, and food refrigerators claim they own all the food. Those with a stateroom next to a lifeboat claim…
What's the difference between evolution and engineering? Engineering is the designing of a whole out of parts suited to their individual purposes. Evolution is the process of tiny incremental changes, each making some small or large improvement in the ability of the thing to survive and reproduce. A good engineer…
Pelorat said, "Tortoises are cold-blooded. Terminus doesn't have any, but some worlds do. They are shelled creatures, very slow-moving but long-living.” "Well, then, isn't it better to be a human being than a tortoise; to move quickly whatever the temperature, rather than slowly? Isn't it better to support high-energy…
The swim bladder is perhaps the major key to the teleosts' success, and it is well worth a digression to explain it. It is an internal bladder filled with gas, which can be sensitively adjusted to keep the fish in hydrostatic equilibrium at any desired depth. If you ever played with a Cartesian Diver as a child you'll…
But the reflected light-waves do more for us than this. They not only make us see things, but they make us see them in different colours. What, you will ask, is this too the work of the sunbeams? Certainly; for if the colour we see depends on the size of the waves which come back to us, then we must see things…
From the cold garden, you run into the house, and find the fire laid indeed in the grate, but the wood dead and the coals black, waiting to be lighted. You strike a match, and soon there is a blazing fire. Where does the heat come from? Why do the coals burn and give out a glowing light? Have you not read of gnomes…
There are forces around us, and among us, which I shall ask you to allow me to call fairies, and these are ten thousand times more wonderful, more magical, and more beautiful in their work, than those of the old fairy tales. They, too, are invisible, and many people live and die without ever seeing them or caring to…
The natural economy is solar-powered. Photons from the sun rain down upon the entire daytime surface of the planet. Many photons do nothing more useful than heat up a rock or a sandy beach. A few find their way into an eye - yours, or mine, or the compound eye of a shrimp or the parabolic reflector eye of a scallop…
The first Australopithecine to be discovered, and the type specimen of the genus, was the so-called Taung Child. At the age of three and a half the Taung Child was eaten by an eagle. The evidence is that damage marks to the eye sockets of the fossil are identical to marks made by modern eagles on modern monkeys as…
Try to imagine what the electric and magnetic fields look like at present in the space of this lecture room. First of all, there is a steady magnetic field; it comes from the currents in the interior of the earth - that is, the earth's steady magnetic field. Then there are some irregular, nearly static electric fields…
The authors comment that from this perspective, it could be stated that multiccellular beings are also ecosystems. That is, we are formed by different types of cells that cooperate and compete for resources; we are colonized by diverse types of bacteria (in the intestines, in the skin, etc.) whose activity is linked…
The gravest indictment that can be made of our generalized culture is, in fact, that it erodes our sense of the context in which judgments must be made. Let me end with a practical example. When I returned from the physical shock of Nagasaki, which I have described in the first page of this book, I tried to persuade…
I believe in the great discovery. I believe in the man who will make the discovery. I believe in the fear of the man who will make the discovery. I believe in his face going white, His queasiness, his upper lip drenched in cold sweat. I believe in the burning of his notes, burning them into ashes, burning them to the…
During the present century a few physicists have tried to define life. Bernal, Schroedinger, and Wigner all came to the same general conclusion, that life is a member of the class of phenomena which are open or continuous systems able to decrease their internal entropy at the expense of substances or free energy taken…
The study looked at the average pregnancy term, breast-feeding length and brain size of 128 species of mammals. They saw that between different species brain size at birth was determined by the length of pregnancy, while the brain growth after birth was determined by breast-feeding duration. [...] The extreme length…
I’ve been thinking of civilization (the technium) as a life form, as a self-replicating structure. I began to wonder what is the smallest seed into which you could reduce the "genes" of civilization, and have it unfold again, sufficient that it could also make another seed again. That is, what is the smallest seed of…
Once upon a time, we soared into the solar system, for a few years. Then we hurried back. why? What happened? What was Apollo really about? The scope and audacity of John Kennedy's May 25th 1961 message to a joint session of Congress on "Urgent National Needs" -- the speech that launched the Apollo program--dazzled…
THE PHILOSOPHY OF JESUS OF NAZARETH Extracted from the account of his life and doctrines as given by Matthew, Mark, Luke and John. Being an abridgment of the New Testament for the use of the Indians, unembarrassed with matters of fact or faith beyond the level of their comprehensions. [emphasis mine]
The Internet has made me very casual with a level of omniscience that was unthinkable a decade ago. I now wonder if God gets bored knowing the answer to everything. The Internet forces me, as a creator, to figure out who I really am and what is unique to me — or to anyone else, for that matter — I like this. ... The…
Let us suppose that women who have many chidren are far too busy to have much social life, and spend most of their time with their partners and family. The few other people they do see are likely to be other mothers with young children who already share at least some of their child-rearing memes. The more children…