Quotes About Biology

One more thing about evolution. They keep saying that it's chance, all chance, and that it's simple. Billions of fish kept

Well, they couldn't, so apparently each of these cells has a consciousness, maybe, of its own. Are you with me?" Chris nodded. "Yeah, a little." "Good. Now imagine that the human body

Mothers are hormonally wired to respond to, not ignore, their baby's cries. (Fathers, take note: You can't argue with biology!)

Third Fisherman:… Master, I marvel how the fishes live in the sea.First Fisherman: Why, as men do a-land; the great ones eat up the little ones.

The only jobs for which no man is qualified are human incubators and wet nurse. Likewise, the only job for which no woman is or can be qualified is sperm donor.

Men would make love with any number of women ... even total strangers, while females were selective. They were catering to the demands of one small egg. While males had millions of frantic sperms screaming: "Let us out, let us out!"

there is no need to pay homage to the product of selfish genes - as though self-replicating DNA from the old Darwinian era were some sort of secular equivalent to Providence.

We can change the expression of more than 70 percent of the genes that have a direct bearing on our health and longevity.

In the normal process of producing energy, each mitochondrion produces hundreds if not thousands of free radical molecules each day. Multiply that by the ten million billion mitochondria that we each possess and you come up with an unfathomable number, ten

muscle cells take about fifteen years to completely renew themselves.

cholesterol and transport it to the neuron, where it performs critically important functions.

According to the latest research, we owe our tremendous brains to the need to think… and the need to run.

intestinal flora and mitochondria share a complex interplay and are like second and third sets of DNA in addition to our own nuclear DNA.

Fat—not carbohydrate—is the preferred fuel of human metabolism and has been for all of human evolution. We

some experts believe our increased consumption of brain-healthy omega-3 fatty acids was responsible for the threefold increase in the size of the human brain). The

epigenetic marks are the remote control not only to your health and longevity but also to how you pass your genes on to future generations. Our

Scientists have documented time and time again that C-reactive protein—a commonly used laboratory marker of inflammation—is lower among people who keep an exercise routine.

I think the virus is present all the time, within reservoir species," he told me. "And sometimes there is transmission from reservoir species to other species.

If you look at the world from the point of view of a hungry virus," the historian William H. McNeill has noted, "or even a bacterium—we offer a magnificent feeding ground with all our billions of human bodies, where, in the very recent past, there were only half as many people. In some 25 or 27 years, we have doubled in number. A marvelous target for any organism that can adapt itself to invading us.

The order Chiroptera (the "hand-wing" creatures) encompasses 1,116 species, which amounts to 25 percent of all the recognized species of mammals. To say again: One in every four species of mammal is a bat.

Zoonotic pathogens can hide. That's what makes them so interesting, so complicated, and so problematic.

To say again: One in every four species of mammal is a bat.

The stability of species represented the bedrock of natural history.

The protein wrap is known as a capsid. The