Erratum

In the report by J. E. Kutzbach (2 Oct., p. 59), an error appeared. On page 61, column 1, eight lines from the bottom of the page, the word "pressure" should be "precipitation."     

Corrections and clarifications

In the Research News article "Pot, heroin unlock new areas for neuroscience" by Marcia Barinaga (18 Dec., p. 1882), the diagram of the molecule anandamide on page 1883 was incorrect. The correct structure appears on page 1948 of the same issue, in figure 1A of the report "Isolation and structure of a brain constituent that binds to the cannabinoid receptor" by W. A. Devane et al. (p. 1946).     

Erratum

In the article "String as a theory of everything" by M. Mitchell Waldrop (Research News, 20 Sept., p. 1251), the last line of the first column was inadvertantly omitted. The affected sentence should have read, "Not only were the strong interactions far more complex than predicted by field theory, but the particles that participated in the strong interactions-the hadrons, a group that includes protons, neutrons, pi mesons, and many others-seemed to be relatively large, extended objects as much as 1 Fermi across (10(-13) centimeter)." In the next-to-the-last line of the second full paragraph in column 2 on page 1252, 10(-19) should have been 10(+19). Finally, the words "quandary" (page 1251, column 1, paragraph 6, line 2) and "quark" (page 1252, column 3, last paragraph, line 18) were misspelled.     

Corrections and clarifications

Figure 1, parts A and C (p. 1349), of the Research Article "Calcium-calmodulin modula- tion of the olfactory cyclic nucleotide-gated cation channel" by Mingyao Liu et al. (25 Nov., p. 1348) were incorrectly printed. The correct figures appear below. On page 1351 of the same article, in line 25 of the first column of text, "GMP" should have been "AMP." In the second line of the text on page 1352, the first "(C.Ln)o" should have been "(C.Ln)c."     

Erratum

The "turritid gastropod" referred to on page 713 (column 2, line 22) of the article "Hydrothermal vent animals: Distribution and biology" by J. Frederick Grassle (23 Aug.) should have been a "turrid gastropod." The first reference 26 on page 716 (column 2, line 14) should have been to R. A. Lutz and D. C. Rhoads, Eos 64, 1017 (1983). The statement at the end of page 716 that vent animals have metabolic rates that are orders of magnitude higher than relatives in other parts of the deep sea cannot be substantiated because, although many deep-sea organisms have low metabolic rates, benthic decapod crustacea and echinoderms from areas away from hydrothermal vents in the deep sea have metabolic rates similar to those of vent species when measured at the same temperature. This is further discussed in a forthcoming issue of the Bulletin of the Biological Society of Washington.     

Erratum

Shirey Malcom, in her editorial "Plugging the pipeline" (18 Oct., p. 353) mentions the AAAS Mentor Award and directs readers to page 387 of that issue. Because of a printer's error, a Call for Nominations for the Mentor Award did not appear on page 387 and appears instead in this issue (25 Oct., p. 587).     

Erratum

Two statements in the article "Heart panel's conclusions questioned" by Gina Kolata (Research News, 4 Jan., p. 40) were not accurate. The first, in the third paragraph on page 40, should have read, "But these trials failed to show that cholesterol-lowering saves lives," instead of, "But these trials failed to show that cholesterol-lowering prevents deaths from heart disease." A second statement, in the ninth paragraph on page 41, should have read, "The incidences of angina, bypass surgery, and abnormal exercise electrocardiograms all came down in the cholestyramine group. All but bypass surgery were statistically significant."     

Erratum

In the report " Variable occurrence of the nrdB intron in the T-even phages suggests intron mobility" by J. Pedersen-Lane and M. Belfort (10 July, p.182), two sentences were incorrectly printed. On page 182, the sentence beginning at the bottom of the second column should have read, "The td intron is indeed homologous throughout the T-even phages, as demonstrated by hybridization and dideoxy primer-extension analysis of pre-messenger RNA (pre-mRNA) and splice site products (11)." On page 183, in the legend to figure 2, the next-to-last sentence should have read, "Oligonucleotide probes (1 to 4) indicated by arrows are as described (21)."     

Erratum

In R. Jeffrey Smith's News and Comment article "Antisatellite weapon sets dangerous course" (14 Oct., p. 140), a remark on page 141 (column 3) by Richard Garwin about the usefulness of rockets, balloons, and aircraft to supplant U.S. photoreconnaissance and meterological satellites was inadvertently attributed to Robert Buchheim. And a characterization on page 141 (column 2) of the Soviet antisatellite weapon, or ASAT, was actually made by General Lewis Allen, the former Air Force chief of staff, not by General David Jones, the former chairman of the Joint Chiefs of Staff. Finally, a footnote on page 142 should have identified the Patriot as an air-to-air missile, not an air-to-ground missile.     

Errata for Volume 123

In the article "Pronuclear fusion as affected by x-rays and by postirradiation anaerobiosis," by C. S. Bachofer, in the issue of 27 Jan., page 139, the last sentence in column 1 should begin "The term (1/4)-fused is used to designate ...," not "The sum (1/4)-fused . . ." as printed. In the article "Magnetic techniques for in vitro isolation of leucocytes," by Sumner Levine, in the issue of 3 Feb., page 186, the equation should read micro radicaln(n+2)=4.90 Bohr magnetons, instead of as printed with the square root sign covering the last part of the equation.     

Corrections and clarifications

In the report "A nuclear-encoded form II RuBisCO in dinoflagellates" by D. Morse et al. (16 June, p. 1622), in the seventh line of the first full paragraph in the third column on page 1622, "glysine-cysteine" should have been "guanine-cytosine."     

Errata

In Wilder Penfield's article, "The interpretive cortex," [Science 129, 1719 (26 June 1959)], the word psychical should be substituted for physical on page 1719, column 3, line 15. On page 1723, column 3, last line, reference should be made to Fig. 6, not Fig. 3.     

Erratum

In our paper "Pantothenic Acid in Copper Deficiency in Rats" (Science, 1950, 111, 472), in the last sentence of the second paragraph on page 473, the daily administered dose mentioned should be "0.1 microg of copper" and not "1.1 microg" as printed.     

观赏树木学网络课程的规划设计

在对<观赏树木学>课程的特点分析的基础上,对该课程的规划设计分为知识模块的规划设计与功能模块的规划设计两部分,知识模块属于静态网页的内容,用Frontpage、Dreamweaver制作,主要通过框架布局来实现课本知识的展示;功能模块属于动态网页的内容,主要通过JSP技术来实现.     

The southern corn leaf blight epidemic

In "The sotuthern corn leaf blight epidemic" by L. A. Tatum (19 Mar., p. 1113), the first sentence of the third paragraph under the sidehead "History of southern corn leaf blight" on page 1114 should read "The loss in 1969 rather than "1968."     

Erratum

The ordinate of Fig. 1A in the report by R. Berezny and D. S. Coffey (25 July, page 292) should read "103 count/min per 100 microg of DNA" rather than "per microg of DNA"     

On the Protection against Alloxan Diabetes by Hexoses

In the article "On the protection against alloxan diabetes by hexoses" by G. Bhattacharya in the 19 Nov. 1954 issue, page 842, the heading for the second column of Table 2 should read "Oxygen uptake (microlit O(2)/30 min)."     

Corrections and clarifications

In the article "Light emission from silicon" by S. S. Iyer and Y.-H. Xie (2 Apr., p. 40), the title in reference 33 on page 46 should have read, "Extended Abstracts of the 1992 Solid-State Devices and Materials Conference."     

Corrections and clarifications

The title of the Perspective by Christopher Miller in the issue of 24 September (p. 1692) was printed incorrectly. It should have read, "Potassium selectivity in proteins: Oxygen cage or pi in the face?" In the figure caption on the same page, "-electron" was printed incorrectly instead of "pi-electron."     

Corrections and clarifications

In the News article "Astronomy's optical illusion" by John Travis (21 Oct., p. 356), the name of Paul Schechter of the Massachusetts Institute of Technology was given incorrectly on page 357 as Paul "Schectman."