An eclectic mix of fantastically quotable scientists talking about biology:
Although Nature needs thousands or millions of years to create a new species, man needs only a few dozen years to destroy one.
I believe that thirty million of these animalcules together would not take up as much room, or be as big, as a coarse grain of sand.
Biology is the study of the complex things in the Universe. Physics is the study of the simple ones.
If physics and biology one day meet, and one of the two is swallowed up, that one will be biology.
By ‘life,’ we mean a thing that can nourish itself and grow and decay.
Everything that human beings or living animals do is done by protein molecules. And therefore the kind of proteins that one has and therefore the ability one has is determined by the genes that one has.
Instead of being the biological center of the Universe, I believe our planet is just an assembly station, but one with a major advantage over most other places. The constant presence of liquid water almost everywhere on the Earth is a huge advantage for life, especially for assembling life into complex forms by the process we call ‘evolution.’
The finding of the double helix thus brought us not only joy but great relief. It was unbelievably interesting and immediately allowed us to make a serious proposal for the mechanism of gene duplication.
The development of biology is going to destroy to some extent our traditional grounds for ethical belief and it is not easy to see what to put in their place.
Nearly 2.5 billion years of prokaryotic cells and nothing else – two-thirds of life’s history in stasis at the lowest level of recorded complexity… Why did life remain at stage 1 for two-thirds of its history if complexity offers such benefits?
I think it would be quite wrong to suggest that my colleagues have rejected me or that I reject them. Quite the reverse. It’s only a small, vociferous group – mainly biologists, I’m sorry to say – that go beyond ordinary scientific criticism and start becoming personal.
This is an era of specialists, each of whom sees his own problem and is unaware of or intolerant of the larger frame into which it fits.
Why the dinosaurs died out is not known, but it is supposed to be because they had minute brains and devoted themselves to the growth of weapons of offense in the shape of numerous horns.
Perhaps it is not amiss to remark that the biologist may not hope to solve the ultimate problems of life any more than the chemist and physicist may hope to penetrate the final mysteries of existence in the non-living world.
All increasing or dominant species (and it is from these that new species arise) vary considerably, in all their parts, organs and faculties, in every generation.
Did the genome of our cave-dwelling predecessors contain a set or sets of genes which enable modern man to compose music of infinite complexity and write novels with profound meaning? …It looks as though the early Homo was already provided with the intellectual potential which was in great excess of what was needed to cope with the environment of his time.”
The time however has arrived when biology must, like the other sciences, make a fresh start in a purely speculative direction, free from all entanglement with medical or any other art.
Although the alternate ‘wax and wane’ cycles are the rule rather than the exception in all fields of human endeavor, in that of biological sciences the ‘wane’ is all too often indicative of a justified loss of faith in the rational and methodical approach that had at first raised so much hope.
I believe that new mathematical schemata, new systems of axioms, certainly new systems of mathematical structures will be suggested by the study of the living world.
Dr. Ikemoto repeatedly told me that we should not perform research that simply reproduced somebody else’s results. Rather, we should do something unique and new.
“Evolution is one of the half-dozen shattering ideas that science has developed to overturn past hopes and assumptions, and to enlighten our current thoughts.”
On the principle of successive variations not always supervening at an early age, and being inherited at a corresponding not early period of life, we can clearly see why the embryos of mammals, birds, reptiles, and fishes should be so closely alike, and should be so unlike the adult forms.
Our thoughts, visions and fantasies have a physical reality. A thought is made of hundreds of electrochemical impulses.
Botany consists in the gathering of plants, and the dismembering of them, in connection with the use of a complicated terminology. That is the beginning and end of botany as it is understood by the majority.
It is thus probable that germs of the lowest organisms known to us are continually being carried away from the earth and the other planets upon which they exist. As seeds in general, so most of these spores, thus carried away, will no doubt meet death in the cold infinite space of the universe. Yet a small number of spores will fall on some other world, and may there be able to spread life, if conditions be suitable.
Author of this page: The Doc
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When human populations increase, resources are depleted and other species go extinct everything will change. Change means something new will become the top level of the food chain and we may be relegated to oblivion.
“Although Nature needs thousands or millions of years to create a new species, man needs only a few dozen years to destroy one.”
Right. If human population keeps rising, more land needed for farming, stealing habitat from other life, the seas stripped of fish, the mass extinction event caused by humans continues. Politicians talk forever about global warming but won’t address the biggest issue of human population.
No population can grow indefinitely, but so our far your Malthusian approach has been debunked. Human innovation has surpassed population based dooms-day predictions. Population growth is declining.