Quotes About Biology

More astonishing, perhaps, is that the variation in DNA among members of the human family is actually larger than the variation between humans and chimpanzees.

half of our happiness is determined by factors other than biology. Ten percent is connected to "life circumstances" and the other 40 percent is dependent on our life decisions. It

You don't have roosters with your laying hens. How do they lay eggs?" Dear folks, chickens don't need roosters to lay eggs. They need roosters to hatch eggs, but not to lay them. Just like women don't need men to lay eggs; they just need a man to hatch one. A mere century ago, not one in a hundred would have been ignorant of this common agrarian knowledge.

The vitally important corollary is that evolution shaped us not only to feel bad in isolation, but to feel insecure." It's a beautiful theory.

You are not suffering from a chemical imbalance in your brain. You are suffering from a social and spiritual imbalance in how we live. Much more than you've been told up to now, it's not serotonin; it's society. It's not your brain; it's your pain. Your biology can make your distress worse, for sure. But it's not the cause. It's not the driver. It's not the place to look for the main explanation, or the main solution.

Sleep is a really important balance of many, many neurotransmitters, and if you artificially…pump up one, it changes the balance of that sleep.

If you believe that your depression is due solely to a broken brain, you don't have to think about your life, or about what anyone might have done to you. The belief that it all comes down to biology protects you, in a way, for a while. If you absorb this different story, though, you have to think about those things. And that hurts.

Almost all aspects of life are engineered at the molecular level, and without understanding molecules we can only have a very sketchy understanding of life itself.

But naturalists are now beginning to look beyond this, and to see that there must be some other principle regulating the infinitely varied forms of animal life.

To describe the overwhelming life of a tropical forest just in terms of inert biochemistry and DNA didn't seem to give a very full picture of the world.

I think computer viruses should count as life.

... probably all the organic beings which have ever lived on this earth have descended from some one primordial form, into which life was first breathed.

The history of life is written in terms of negative entropy.

No single discovery from any of these fields denotes proof of evolution, but together they reveal that life evolved in a certain sequence by a particular process.

The significant chemicals of living tissue are rickety and unstable, which is exactly what is needed for life.

Stem cell research must be carried out in an ethical manner in a way that respects the sanctity of human life.

If the means were available, we could trace our ancestry - yours and mine - back to the first blob of life-like material that came into being on the planet.

By 'life,' we mean a thing that can nourish itself and grow and decay.

In one century, we've added 28 years to our average life span - a change so rapid that our brains couldn't possibly have evolved to accommodate it.

Thus it seemed to Haeckel that such simple life could easily be produced from inanimate material.

You can't even begin to understand biology, you can't understand life, unless you understand what it's all there for, how it arose - and that means evolution.

Sometime in the first billion years, life appeared on the earth's surface. Slowly, the fossil record indicates, living organisms climbed the ladder from simple to more advanced forms.

The RNA World referred to an hypothetical stage in the origin of life on Earth.

In fact, if one considers the possible constants and laws that could have emerged, the odds against a universe that produced life like ours are immense.