why we age the evolutionary biological theory of aging

... 2.4 Culture, languages, and language Language and the palaeolithic revolution The equal complexity of languages 42 47 The biological roots of language 3.1 The organs of language 51 51 3.2 3.3 ... language in the evolution of our ancestors, we can set about it in three stages First we can put language behaviour into the broader context of the evolution of species Then we can analyse the ... addresses as codiWed in Europe, there is a similarity between the order of the house numbers and the relative positions of the houses in the street In the main, our language relies on the use of a code...

Ngày tải lên: 11/06/2014, 09:45

... on the wall that the kids had to stand on their toes and crane their l(l,ecks to see what exactly was at the top of the chart We suggested to the manager that the chart be lowered, and a week ... as the place to go for the hot new book The success of the table was causing the failure of the rest of the store So much for what can be learned from the ,register tape The second means of learning ... bottle of the store brand and reads the front label, then reads the price tag On the Pantene, then reads the price on the store brand, and then puts the store brand in her basket and exits the section...

Ngày tải lên: 15/03/2014, 15:16

... from the operator description of the theory In fact, the Gromov-Witten theory of P1 may be viewed as a more fundamental object than the Gromov-Witten theory of a point Indeed, the theory of P1 ... nonequivariant theory Via the nonequivariant limit, the full nonequivariant theory of P1 is captured by the equivariant theory The equivariant Gromov-Witten theory of P1 is the subject of the present ... structure The theory of P1 is not based on the theory of a point Rather, the point theory is perhaps best understood as a certain special large degree limit case of the P1 theory; see [23] 0.1.5 The...

Ngày tải lên: 16/02/2014, 06:20

Ngày tải lên: 21/02/2014, 09:20

Ngày tải lên: 06/03/2014, 21:20

... features of aging A number of early explanations of aging, such as Orgel’s error catastrophe theory and the somatic mutation theory, were based on the idea that aging results from the accumulation of ... postmitotic cells, one of the most prominent signs of aging, has been known for more than 150 years [28] However, the relation of lipofuscin to lysosomes and the basic mechanisms of lipofuscin formation ... Sheldrake, A.R (1974) The ageing, growth and death of cells Nature 250, 381–385 15 Terman, A (2001) Garbage catastrophe theory of aging: imperfect removal of oxidative damage? Redox Report 6,...

Ngày tải lên: 17/03/2014, 23:20

... among others The length of human life, according to the Greeks, was in the hands of the Fates, or Moerae These three sisters, daughters of the Goddess of the Night, measured out the beginning, the ... loss of the ability to control the image of ourselves seen by others may be one of the most devastating changes of growing old, ranking with the fear of death itself as a psychological toll of aging ... percent of what it was at the end of the nineteenth century These factors still compromise the survival of women in some parts of the world T h e reason for the longer average lifespan of women...

Ngày tải lên: 11/06/2014, 05:26

... flush of the blossoming peach trees, the soft suffusion on the heights of Arlington, and the breath of the warm south wind was apparent, the annual miracle of the resurrection of the earth The ... quiet village and the reception of the awful intelligence All the parties had been "interviewed." There were reports of conversations with the clerk at the hotel; with the call-boy; with the waiter ... dreamed of for them." The birds were singing as they crossed the Presidential Square, now bright with its green turf and tender foliage After the two had gained the steps of the Senator's house they...

Ngày tải lên: 28/06/2014, 17:21

... was the parent of writing In the year 1832 the Danish scholar Thomsen made a of the arts in three periods which followed one another: determining the stone age, the bronze age, and the iron age ... we go and weapons were made of they were of flints and stones The tools earlier back in time the greater, was the relative importance of the there is a law of diminishing arts we may Here, as assume, ... find the origins of architecture as a whole, and origins are of great importance for a of art As this little framing theory Professor Petrie says, 'We know more details of the origins of the arts...

Ngày tải lên: 29/06/2014, 16:20

Ngày tải lên: 13/11/2014, 11:07

... (24) THE SURROUNDED ATOM THEORY OF ORDER-DISORDER PHASE TRANSITION 135 Now we derive the equilibrium equation for the long-range order parameter, when the system is in the ordered state and the ... ln (27) The equations (17), (22), (24), (26) and (27) are the main results of the present paper The theory presented above is remarkably general and valid for any type of lattice Once we have ... results as well as the Bragg-Williams approximation reproduce the general feature of the order-disorder transition However, the experimental data show that the order-disorder contribution to the heat...

Ngày tải lên: 31/10/2015, 10:44

... elastic theory of light and led to the complete acceptance of Maxwell’s theory The first was the discovery by J J Thomson of the electron, the long-sought source of the optical field, and the second ... for them to accept Maxwell’s theory, it would have to be proved at optical wavelengths Another reason for the slow acceptance of Maxwell’s theory was that for 30 years after the publication of ... using Fresnel’s theory; no one yet understood exactly what fluorescence or the photoelectric effect was There was, however, one very slim difference between the two theories Maxwell’s theory, in contrast...

Ngày tải lên: 19/04/2016, 11:39

... between the diameter of the 3year-old rootstocks and the ratio of leaf number/number of leaf eyes: The correlation between the diameter of the rootstock and the ratio of leaf number/number of ... average value of 33.79cm The correlation between the diameter of rootstocks and the length grafted branches represents at the average level in the forward direction with r = 0.514 - The results of ... expressed in the forward direction If diameters of rootstock were large, diameters of grafted branches also were large - The results of correlation analysis between the diameter of the 3year-old...

Ngày tải lên: 27/05/2016, 15:22

... behavior,” the doctor told her Everyone in the room felt like they were on the brink of something important And they were When you woke up this morning, what did you first? Did you hop in the shower, ... front of the TV? “All our life, so far as it has definite form, is but a mass of habits,” William James wrote in 1892.prl.2 Most of the choices we make each day may feel like the products of well-considered ... but they’re not They’re habits And though each habit means relatively little on its own, over time, the meals we order, what we say to our kids each night, whether we save or spend, how often we...

Ngày tải lên: 11/03/2014, 18:09

... merely the tip of the iceberg: equivalents can be found in other religions, just Empires of Belief as imbued with the absolute rightness of their cause and the desire to extend this over the rest of ... ‘to show the incoherence of their belief’ in such matters as the nature of the universe, God’s attributes, the uniformity of nature, and the nature of the soul.38 What all the philosophers being ... argue this is the mark of the thoroughgoing sceptic (the implication being there in the work of Nagarjuna too, as we saw earlier) One of the major commentators on Nicholas, Julius Weinberg, prefers...

Ngày tải lên: 05/06/2014, 11:25

... diseases.”88 And agebracketed disease assemblages cause humps in the smoothest curves We not, after all, die at the behest of linear, age- centered statistics Stages of Life At the turn of the twentieth ... distinct ages in life.” Pearson’s components were as follows: the periods of infancy, of childhood, of youth, of maturity or middle age, and of senility or old age In the case of each of these ... of this hypothesis using the technique now known as meta-analysis Together they gleaned data from published records of the peerage, the landed gentry These data covered the ages of fathers and...

Ngày tải lên: 11/06/2014, 12:57

Ngày tải lên: 21/07/2014, 11:51

... the food and cage were dangerous—when they were offered the poisoned pellets in a bowl or saw the electrified floor panels, they stayed away When they saw their old cues, however, they unthinkingly ... then we extinguished the habit by changing the placement of the reward,” Ann Graybiel, a scientist at MIT who oversaw many of the basal ganglia experiments, told me “Then one day, we ll put the ... allure The animal would sit there, watching the monitor and pressing the lever, over and over again, regardless of the offer of food or the opportunity to go outside The anticipation and sense of...

Ngày tải lên: 22/07/2014, 21:26