Quotes About Extinction

So how does the new learning that occurs in extinction (learning of the CS–no US association) prevent the expression of the original memory (CS-US association) and the defense responses it controls? To

Like all forms of learning,29 extinction requires the synthesis of proteins in neurons that are learning and storing the new information. In this case, protein synthesis is required in both the infralimbic cortex30 and the amygdala31 for the effects of extinction to persist as a long-term memory.

Furthermore, it is observed in general that the smaller the population size of a species is, the more vulnerable it will be to extinction.

It's harder to kill off fish than mammals. But after 1,000 years of hunting the Atlantic cod, we know that it can be done.

You want calamities? What about the Ice Age?

We are living in the beginning of a mass extinction and our climate is breaking down.

In fact, there are half as many wild animals on the planet as there were in 1970, an awesome and mostly unnoticed silencing.

Humans regard animals as worthy of protection only when they are on the verge of extinction.

Nature doesn't need people - people need nature; nature would survive the extinction of the human being and go on just fine, but human culture, human beings, cannot survive without nature.

I don't think college wrestling is in danger of extinction by any means. But I am concerned if one program drops.

She no longer existed.

As we descend deeper and deeper in this region its inhabitants become more and more modified, and fewer and fewer, indicating our approach towards an abyss where life is either extinguished, or exhibits but a few sparks to mark its lingering presence.

What I really wanted was to travel and see all the different animals that were on the verge of extinction.

Other reasons have been postulated for why Neanderthals died out, but my contention is that the combination of the new Systemizing Mechanism, enabling complex tool-making, and the Empathy Circuit, enabling complex social interaction and deception, led Homo sapiens to become unrivaled.

We associate the North Atlantic with cod. The motto of Newfoundland used to be 'In cod we trust.' It was a joke, but it was essentially true. But there is no cod anymore. And that's extraordinary. It's all because of either greed or politics - Canadian politics.

I happened to be born into a group of people who live in constant fear of extinction. It's part of our identity, part of our mind-set, and it has taught us through horrific trial and error to always be on our guard.

Ha llegado el momento de dejar a un lado nuestras artificiales fronteras y unirse para hacer frente común ante la amenaza de la extinción. No es momento para hacer alarde de un nacionalismo estéril y obsoleto.

Momma could not take the smallest achievement for granted. People whose history and future were threatened each day by extinction considered that it was only by divine intervention that they were able to live at all. I find it interesting that the meanest life, the poorest existence, is attributed to God's will, but as human beings become more affluent, as their living standard and style begin to ascend the material scale, God descends the scale of responsibility at a commensurate speed.

All the labor of all the ages, all the devotion, all the inspiration, all the noonday brightness of human genius are destined to extinction. So now, my friends, if that is true, and it is true, what is the point?

All the labours of ages, all the devotion, all the inspiration, all the noon-day brightness of human genius, are destined to extinciton in the vast death of the solar system, and that the whole temple of Man's achievement must inevitably be buried beneath the debris of a universe in ruins.

the supply of uranium in the planet is very limited, and it is feared that it may be used up before the human race is exterminated, but if the practically unlimited supply of hydrogen in the sea could be utilized there would be considerable reason to hope that homo sapiens might put an end to himself, to the great advantage of the other less ferocious animals.

A few societies have perished from

Never since we discovered there were dinosaurs did anyone get sick of them.

Faced with our imminent extinction, Tom Laughlin believes, all assumptions are called into question.