汤森路透：2015年SCI影响因子报告全新发布！
6月18日，备受关注的汤森路透《SCI期刊分析报告》新鲜出炉。该报告涵盖了来自82个国家的237个大类的11149本期刊。本年度有272本杂志第一次被收录；与去年相比，53%的杂志影响因子增加。Ca-Cancer J Clin、NEJM以及CHEM REV再次包揽了榜单的前三甲，影响因子分别为115.84、55.873、 46.568。
与去年相比，排在前十名的杂志中出现两位新成员，一个是排在第5位的NATURE REVIEWS DRUG DISCOVERY，影响因子41.908，去年该杂志排在第11位，影响因子为37.231；另一个是排在第9位的NATURE REVIEWS MOLECULAR CELL BIOLOGY，影响因子为37.806，去年排在第12位，影响因子为36.458。
备受瞩目的《柳叶刀》杂志今年排到了第4位，影响因子45.217，较去年上升了4个名次（去年影响因子39.207）。Nature、Science、Cell分别排在第7、16和20位，对应的影响因子为41.456、33.611、32.242。与去年相比，Nature下降了2个名次、Science上升了1个名次、Cell下降了4个名次。
此外，今年Nature杂志有两个子刊排在了主刊的前面，除了上述前十的新成员NATURE REVIEWS DRUG DISCOVERY，还有排在第6的NATURE BIOTECHNOLOGY，影响因子为41.514，该杂志去年排在榜单的第9位，影响因子为39.08。
影响因子在一定程度上是一本杂志质量高低的标准之一，并且能够带来科学以外太多的东西：教职、基金申请、学术影响力等。尽管很多学者批评过杂志影响因子，但是取消或者改革不是短时间就能实现的事情。以下列举排在前1000位的杂志最新的影响因子：（截取前50名）
| Rank | Full Journal Title | Total Cites | Journal Impact Factor |
| 1 | CA-A CANCER JOURNAL FOR CLINICIANS | 18,594 | 115.84 |
| 2 | NEW ENGLAND JOURNAL OF MEDICINE | 268,652 | 55.873 |
| 3 | CHEMICAL REVIEWS | 137,600 | 46.568 |
| 4 | LANCET | 185,361 | 45.217 |
| 5 | NATURE REVIEWS DRUG DISCOVERY | 23,811 | 41.908 |
| 6 | NATURE BIOTECHNOLOGY | 45,986 | 41.514 |
| 7 | NATURE | 617,363 | 41.456 |
| 8 | Annual Review of Immunology | 16,750 | 39.327 |
| 9 | NATURE REVIEWS MOLECULAR CELL BIOLOGY | 35,928 | 37.806 |
| 10 | NATURE REVIEWS CANCER | 39,868 | 37.4 |
| 11 | NATURE REVIEWS GENETICS | 29,388 | 36.978 |
| 12 | NATURE MATERIALS | 64,622 | 36.503 |
| 13 | JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION | 126,479 | 35.289 |
| 14 | NATURE REVIEWS IMMUNOLOGY | 28,938 | 34.985 |
| 15 | Nature Nanotechnology | 34,387 | 34.048 |
| 16 | SCIENCE | 557,558 | 33.611 |
| 17 | CHEMICAL SOCIETY REVIEWS | 81,907 | 33.383 |
| 18 | Annual Review of Astronomy and Astrophysics | 8,462 | 33.346 |
| 19 | Nature Photonics | 23,499 | 32.386 |
| 20 | CELL | 201,108 | 32.242 |
| 21 | NATURE METHODS | 32,342 | 32.072 |
| 22 | NATURE REVIEWS NEUROSCIENCE | 32,989 | 31.427 |
| 23 | Annual Review of Biochemistry | 19,927 | 30.283 |
| 24 | REVIEWS OF MODERN PHYSICS | 39,402 | 29.604 |
| 25 | NATURE GENETICS | 85,481 | 29.352 |
| 26 | PROGRESS IN MATERIALS SCIENCE | 8,475 | 27.417 |
| 27 | NATURE MEDICINE | 62,572 | 27.363 |
| 28 | PHYSIOLOGICAL REVIEWS | 24,528 | 27.324 |
| 29 | PROGRESS IN POLYMER SCIENCE | 19,454 | 26.932 |
| 30 | Nature Chemistry | 16,973 | 25.325 |
| 31 | LANCET ONCOLOGY | 24,861 | 24.69 |
| 32 | NATURE REVIEWS MICROBIOLOGY | 18,866 | 23.574 |
| 33 | CANCER CELL | 27,283 | 23.523 |
| 34 | Annual Review of Plant Biology | 16,494 | 23.3 |
| 35 | LANCET INFECTIOUS DISEASES | 13,161 | 22.433 |
| 36 | ACCOUNTS OF CHEMICAL RESEARCH | 53,349 | 22.323 |
| 37 | Cell Stem Cell | 17,720 | 22.268 |
| 38 | TRENDS IN COGNITIVE SCIENCES | 20,396 | 21.965 |
| 38 | TRENDS IN COGNITIVE SCIENCES | 20,396 | 21.965 |
| 40 | LANCET NEUROLOGY | 19,384 | 21.896 |
| 41 | Annual Review of Psychology | 13,101 | 21.81 |
| 41 | Annual Review of Psychology | 13,101 | 21.81 |
| 43 | IMMUNITY | 37,232 | 21.561 |
| 44 | ENDOCRINE REVIEWS | 13,143 | 21.059 |
| 45 | ADVANCES IN PHYSICS | 5,095 | 20.833 |
| 46 | BEHAVIORAL AND BRAIN SCIENCES | 7,562 | 20.771 |
| 46 | BEHAVIORAL AND BRAIN SCIENCES | 7,562 | 20.771 |
| 48 | Energy & Environmental Science | 36,159 | 20.523 |
| 49 | Nature Physics | 21,732 | 20.147 |
| 50 | PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS | 22,152 | 20.033 |
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