scientific american - 2003 04 - 50 years of the double helix

... dis- covered property of the neutrinos themselves. Ironically, the confirmation of our best theory of the sun ex- poses the first flaw in the Standard Model of particle physics — our best theory of ... The average of their answers is the ba- sis of the subjective threshold calculation, in- dicated by the dark blue line. On average the respondents named a figure 7...

Ngày tải lên: 12/05/2014, 16:16

... Ideology -The Dangers of The Genetic All” 8.4 The Health Excuse -A New Utopia? 8.5 Behind Gene Therapy - The Dangerous Liaisons of the New Biology 8.6 Convenient Reductionism 8.7 The ... Fundamentalis of 1697. Stahl maintained that the applied study of fermentation - zymotechnia - would be the basis of the fLmdanienta1 German industry of Gur...

Ngày tải lên: 08/04/2014, 12:48

... critical the aÝected pro- cesses are at the time of their disregula- tion and the ability of the organism ei- ther to compensate for or to repair the damage. If the damage disrupts the reg- ulation of ... stable, the high birth rates of the baby boom postponed the aging of the population by widen- ing the base of the age structure again. As the baby boo...

Ngày tải lên: 12/05/2014, 14:49

... each cycle of the AC Þeld. When the marble is hopping down the egg tray with the help of the AC Þeld, augmenting the av- erage tilt of the egg tray by increasing the DC voltage does not change the av- erage ... Kazumi Maki of the Universi- ty of Southern California and by the late John Bardeen of the University of Illi- nois, but it is too early to tell w...

Ngày tải lên: 12/05/2014, 14:54

... and applied them to the time-honored tech- nology of fuel cells. The key was in the packaging. Whereas most fuel-cell re- searchers start with the design of the electrolyte and electrodes, Hockaday re- alized ... cautious assessment of the ramifications of the WHO policies: “[They] have increased the awareness among all the players about the com- plexity of the...

Ngày tải lên: 12/05/2014, 15:35

... Institute of Technol- ogy. Thomas is one of the co-authors of a shorter proof of the theorem —just 42 pages. foods—comments that his organization would not oppose low-allergen foods if they prove ... Sachs’s frequent op-ed pieces is the inadequa- cy of foreign aid in light of the tremendous problems affecting the developing world the genesis of which, he says, was t...

Ngày tải lên: 12/05/2014, 16:15

... the turn of the 20th century.” The stone “contains more lithium than any other stone on the planet” and “emits a signa- ture one -of- a-kind healing energy.” How does the Golden ‘C’ water get these ... practical methods of producing synthetic polypeptides had reached about the 50 amino acid mark, the size of the smallest pro- teins. But much of the attention had swi...

Ngày tải lên: 12/05/2014, 16:19

... per cent. of the rum and five per cent. of the molasses, and after charging off the whole cost of the ship's outfit and one-third of her original value, there remained the sum of £357, 8s. ... that they took great delight in robes of showy colors, and such was their love of finery that they picked up the rags that fell from the coats of other people of th...

Ngày tải lên: 08/03/2014, 00:20

... did, Of course, change our name to the Association for Computational Linguistics in 1968, but that did not affect the continuity of the organization. The date of this panel, 17 June, misses the ... tenure of that office, in particular as they reflect on the state of computational linguistics then and now, and perhaps with some suggestions for what the future wil...

Ngày tải lên: 08/03/2014, 18:20

... nothing to do with the intrinsic nature of speech and language. That is to say, they usa some form of informationally- reduced representation of the input speech wave- form and then contrive to ... progress on these issues, Certainly an important contribution of computa- tional linguistics is the provision of instru- mental means to acquire data, In my view, the study...

Ngày tải lên: 17/03/2014, 19:21