I was taught over and over again that the accumulation of random mutations led to evolutionary change - led to new species. I believed it until I looked for evidence.
Lynn MargulisRead
There is no scientific reason to think that we, even with space travel, are going to survive as a species for ever, certainly not by biting off the hand that feeds us, which is exactly what we are doing.
Interpretation
Human survival is uncertain due to our destructive actions towards the environment.
This quote highlights the fragile nature of human existence and the impact of our actions on the planet. Lynn Margulis emphasizes that despite our advancements in technology and space travel, our survival as a species is jeopardized by the way we exploit and harm the earth. The phrase 'biting off the hand that feeds us' metaphorically illustrates how we are damaging the very resources that sustain us, jeopardizing our future.
In practice
This quote can be used in a speech about environmental sustainability.
I was taught over and over again that the accumulation of random mutations led to evolutionary change - led to new species. I believed it until I looked for evidence.
Despite our very recent appearance on the planet, humanity combines arrogance with increasing material demands, even as we become more numerous. Our toughness is a delusion. Have we the intelligence and discipline to vigilantly guard against our tendency to grow without limit?
You can't tie a rope around the ice sheet. You can't build a wall around the ice sheets.
Even if I stumble on to the absolute truth of any aspect of the universe, I will not realise my luck and instead will spend my life trying to find flaws in this understanding - such is the role of a scientist.
The problem of distinguishing prime numbers from composite numbers and of resolving the latter into their prime factors is known to be one of the most important and useful in arithmetic.
Deep non-REM sleep almost hits the save button on those recently acquired informational pieces so that when you wake up the next morning, you have remembering rather than forgetting.
Clearly, unless thinking beings inevitably wipe themselves out soon after developing technology, extraterrestrial intelligence could often be millions or billions of years in advance of us. We're the galaxy's noodling newbies.
There are many things that you can't measure. But the great fun of what I do for a living is figuring out ways to measure things that people previously considered intangible.
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