A Quote by David Eagleman
Given the billions of neurons, this means there are as many connections in a single cubic centimeter of brain tissue as there are stars in the Milky Way galaxy.
Related Quotes
A typical neuron makes about ten thousand connections to neighboring neurons. Given the billions of neurons, this means there are as many connections in a single cubic centimeter of brain tissue as there are stars in the Milky Way galaxy.
There are billions of neurons in our brains, but what are neurons? Just cells. The brain has no knowledge until connections are made between neurons. All that we know, all that we are, comes from the way our neurons are connected.
The central region of the Milky Way, known as the bulge, is stuffed with literally tens of billions of stars. And most of these are old - considerably older than our Sun or its neighbors - because this part of the galaxy formed first. Consequently, bulge stars are generally deficient in heavy elements.
A broad and ample road, whose dust is gold, And pavement stars,--as stars to thee appear Seen in the galaxy, that milky way Which nightly as a circling zone thou seest Powder'd with stars.
The brain immediately confronts us with its great complexity. The human brain weighs only three to four pounds but contains about 100 billion neurons. Although that extraordinary number is of the same order of magnitude as the number of stars in the Milky Way, it cannot account for the complexity of the brain. The liver probably contains 100 million cells, but 1,000 livers do not add up to a rich inner life.
A galaxy is composed of gas and dust and stars - billions upon billions of stars. Every star may be a sun to someone.
All of us, whether or not we are warriors, have a cubic centimeter of chance that pops out in front of our eyes from time to time. The difference between an average man and a warrior is that the warrior is aware of this, and one of his tasks is to be alert, deliberately waiting, so that when his cubic centimeter pops out he has the necessary speed, the prowess, to pick it up.
There may be aliens in our Milky Way galaxy, and there are billions of other galaxies. The probability is almost certain that there is life somewhere in space.
The brain is a tissue. It is a complicated, intricately woven tissue, like nothing else we know of in the universe, but it is composed of cells, as any tissue is. They are, to be sure, highly specialized cells, but they function according to the laws that govern any other cells. Their electrical and chemical signals can be detected, recorded and interpreted and their chemicals can be identified; the connections that constitute the brain's woven feltwork can be mapped. In short, the brain can be studied, just as the kidney can.
While the Copernican principle comes with no guarantees that it will forever guide us to cosmic truths, it's worked quite well so far: not only is Earth not in the center of the solar system, but the solar system is not in the center of the Milky Way galaxy, the Milky Way galaxy is not in the center of the universe, and it may come to pass that our universe is just one of many that comprise a multiverse. And in case you're one of those people who thinks that the edge may be a special place, we are not at the edge of anything either.
For many years I have been a night watchman of the Milky Way galaxy.
There is a point of view among astronomical researchers that is generally referred to as the Principle of Mediocrity. ... If the Sun and its retinue of worlds is only one system among many, then many other systems will be like ours: home to life. Indeed, to the extent that this is true, we should be prepared for the possibility that, even in the Milky Way galaxy, billions of planets may be carpeted by the dirty, nasty business known as life.
We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars that make up the Milky Way Galaxy which is one of billions of other galaxies which make up a universe which may be one of a very large number, perhaps an infinite number, of other universes. That is a perspective on human life and our culture that is well worth pondering.
I'm trying to do some things with my brain institute to understand more about the impact of concussion on brain tissue, because we have some scientists over there who are really good at looking at brain tissue and the effects of things on brain tissue.
...Which brings me to the Hubble Space Telescope's newest images. If it's wonder that you're looking for, and mystery, don't just scan the photographs. Stop and think about them. Try to imagine the scale. The Earth is just a speck of dust on one distant whirling tentacle of the Milky Way galaxy, which contains billions of stars. A 'collision' of galaxies seems unimaginably large - and yet it is something scientists long ago imagined... The imaginings of pseudoscience are feeble by comparison.
In its evolution from a more primitive nervous system, the brain, as an organ with ten or more billion neurons and many more connections between them must have changed and grown as a result of many accidents.
Related Authors
Austin O'Malley Quotes
American
Scientist
Carl Sagan Quotes
American
Scientist
Charles Darwin Quotes
English
Scientist
E. O. Wilson Quotes
American
Scientist
Georg C. Lichtenberg Quotes
German
Scientist
Isaac Asimov Quotes
American
Scientist
Jane Goodall Quotes
English
Scientist
Margaret Mead Quotes
American
Scientist
Nassim Nicholas Taleb Quotes
Lebanese
Scientist
Neil deGrasse Tyson Quotes
American
Scientist
Richard Dawkins Quotes
English
Scientist
Stephen Jay Gould Quotes
American
Scientist
Steven Pinker Quotes
Canadian
Scientist
Sylvia Earle Quotes
American
Scientist
Thomas Huxley Quotes
English
Scientist
W. Edwards Deming Quotes
American
Scientist