Mash Evaluation Of The Steel Post Trailing End Anchorage System

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MASH Evaluation of the Steel-post, Trailing End Anchorage System

Author : Karla A. Lechtenberg
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)

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Book Synopsis MASH Evaluation of the Steel-post, Trailing End Anchorage System by : Karla A. Lechtenberg

Download or read book MASH Evaluation of the Steel-post, Trailing End Anchorage System written by Karla A. Lechtenberg and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A research study was conducted to develop and evaluate a steel-post, trailing-end, anchorage system for the Midwest Guardrail System (MGS) as an alternative to the existing wood-post, trailing-end anchorage system with BCT posts. Following the design and development of the steel-post, trailing-end anchorage system for the MGS, two full-scale crash tests, test nos. SPTA-1 and SPTA-2, were performed according to the American Association of State Highway and Transportation Officials' (AASHTO) Manual for Assessing Safety Hardware, Second Edition (MASH 2016) test designation nos. 3-37a and 3-37b, respectively. The steel-post, trailing-end anchorage system included the following components: two breakaway steel posts, two steel foundation tubes, a steel compression ground line strut, one steel anchor cable, and a T-shaped, breaker bar attached to the end anchor post. In test no. SPTA-1, the 5,074-lb (2,302-kg) pickup truck impacted the MGS at a speed of 62.1 mph (99.9 km/h) and an angle of 25.0 degrees and was captured and redirected. The vehicle remained upright and stable throughout the test, and all vehicle decelerations and occupant compartment deformations were within the allowable MASH 2016 limits. In test no. SPTA-2, the 2,429-lb (1,102-kg) small car impacted the system at a speed of 63.3 mph (101.9 km/h) and an angle of 25.2 degrees near the anchorage system. The vehicle gated through the system but remained upright and stable throughout the test, and all vehicle decelerations and occupant compartment deformations were within the allowable MASH 2016 limits. The MGS with the steel-post, trailing-end anchorage system performed adequately. Therefore, test nos. SPTA-1 and SPTA-2 were determined to satisfy the safety performance criteria for MASH 2016 test designation nos. 3-37a and 3-37b, respectively. Recommendations were provided for the installation of steel-post, trailing-end anchorage system when used in combination with the MGS.

MASH Evaluation of the Steel-post, Trailing End Anchor System

Author : Karla A. Lechtenberg
Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.:/5 (123 download)

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Book Synopsis MASH Evaluation of the Steel-post, Trailing End Anchor System by : Karla A. Lechtenberg

Download or read book MASH Evaluation of the Steel-post, Trailing End Anchor System written by Karla A. Lechtenberg and published by . This book was released on 2020 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: A research study was conducted to develop and evaluate a steel-post, trailing-end, anchorage system for the Midwest Guardrail System (MGS) as an alternative to the existing wood-post, trailing-end anchorage system with BCT posts. Following the design and development of the steel-post, trailing-end anchorage system for the MGS, two full-scale crash tests, test nos. SPTA-1 and SPTA-2, were performed according to the American Association of State Highway and Transportation Officials’ (AASHTO) Manual for Assessing Safety Hardware, Second Edition (MASH 2016) test designation nos. 3-37a and 3-37b, respectively. The steel-post, trailing-end anchorage system included the following components: two breakaway steel posts, two steel foundation tubes, a steel compression ground line strut, one steel anchor cable, and a T-shaped, breaker bar attached to the end anchor post. In test no. SPTA-1, the 5,074-lb (2,302-kg) pickup truck impacted the MGS at a speed of 62.1 mph (99.9 km/h) and an angle of 25.0 degrees and was captured and redirected. The vehicle remained upright and stable throughout the test, and all vehicle decelerations and occupant compartment deformations were within the allowable MASH 2016 limits. In test no. SPTA-2, the 2,429-lb (1,102-kg) small car impacted the system at a speed of 63.3 mph (101.9 km/h) and an angle of 25.2 degrees near the anchorage system. The vehicle gated through the system but remained upright and stable throughout the test, and all vehicle decelerations and occupant compartment deformations were within the allowable MASH 2016 limits. The MGS with the steel-post, trailing-end anchorage system performed adequately. Therefore, test nos. SPTA-1 and SPTA-2 were determined to satisfy the safety performance criteria for MASH 2016 test designation nos. 3-37a and 3-37b, respectively. Recommendations were provided for the installation of steel-post, trailing-end anchorage system when used in combination with the MGS.

Steel-post Version of Trailing-end Anchorage System, Phase I

Author : Tewodros Y. Yosef
Publisher :
ISBN 13 :
Total Pages : 402 pages
Book Rating : 4.:/5 (123 download)

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Book Synopsis Steel-post Version of Trailing-end Anchorage System, Phase I by : Tewodros Y. Yosef

Download or read book Steel-post Version of Trailing-end Anchorage System, Phase I written by Tewodros Y. Yosef and published by . This book was released on 2020 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 2013, a non-proprietary, trailing-end anchorage system with a modified Breakaway Cable Terminal (BCT) was developed by the Midwest Roadside Safety Facility (MwRSF) for the Midwest Guardrail System (MGS). Although this trailing-end, guardrail anchorage system adequately met the American Association of State Highway and Transportation Officials (AASHTO) Manual for Assessing Safety Hardware (MASH) TL-3 safety requirements, the use of two breakaway wood posts was deemed to have several drawbacks. For state DOTs that primarily utilize steel posts, it was desired to develop a steel-post alternative for the BCT posts utilized in the trailing-end anchorage system. Thus, a critical need existed to develop a non-wood option to anchor the downstream end of the MGS. The objective of this research project was to develop a non-proprietary, steel-post version of the trailing-end anchorage system. The Universal Breakaway Steel Post (UBSP), utilized within the thrie-beam bullnose system, was found to be a viable option to replicate the breakaway performance of the BCT wood posts. Design concepts were developed from modification to the UBSP while utilizing the same basic cable anchor and ground line strut as used in the wood-post, trailing-end anchorage system to provide similar breakaway performance and anchorage capacity. Dynamic jerk tests were conducted to evaluate the breakaway performance of the end anchor posts and the capacity of the design concepts. Based on the dynamic jerk test results and input from Midwest Pooled Fund Program member states, a preferred steel-post, downstream anchorage design was selected and further developed. Final anchorage design included: (1) two breakaway steel posts; (2) a steel compression ground line strut between the two steel breakaway steel posts; (3) one steel anchor cable connecting the W-beam rail to the base of the end anchor post; and (4) a T-shaped, breaker bar attached to the end anchor post to facilitate the release and rotation of the end post. Recommendations for full-scale crash testing were provided for the preferred steel-post, trailing-end anchorage system.

Downstream Anchoring Requirements for the Midwest Guardrail System

Author : Mario Mongiardini
Publisher :
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis Downstream Anchoring Requirements for the Midwest Guardrail System by : Mario Mongiardini

Download or read book Downstream Anchoring Requirements for the Midwest Guardrail System written by Mario Mongiardini and published by . This book was released on 2013 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Roadside Design Guide

Author : American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Publisher :
ISBN 13 :
Total Pages : 560 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Roadside Design Guide by : American Association of State Highway and Transportation Officials. Task Force for Roadside Safety

Download or read book Roadside Design Guide written by American Association of State Highway and Transportation Officials. Task Force for Roadside Safety and published by . This book was released on 1989 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Manual for Assessing Safety Hardware, 2009

Author : American Association of State Highway and Transportation Officials
Publisher : AASHTO
ISBN 13 : 1560514167
Total Pages : 275 pages
Book Rating : 4.5/5 (65 download)

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Book Synopsis Manual for Assessing Safety Hardware, 2009 by : American Association of State Highway and Transportation Officials

Download or read book Manual for Assessing Safety Hardware, 2009 written by American Association of State Highway and Transportation Officials and published by AASHTO. This book was released on 2009 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt:

LRFD Guide Specifications for the Design of Pedestrian Bridges

Author : American Association of State Highway and Transportation Officials
Publisher : AASHTO
ISBN 13 : 1560514698
Total Pages : 38 pages
Book Rating : 4.5/5 (65 download)

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Book Synopsis LRFD Guide Specifications for the Design of Pedestrian Bridges by : American Association of State Highway and Transportation Officials

Download or read book LRFD Guide Specifications for the Design of Pedestrian Bridges written by American Association of State Highway and Transportation Officials and published by AASHTO. This book was released on 2009 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wikinomics

Author : Don Tapscott
Publisher : Penguin
ISBN 13 : 1440639485
Total Pages : 376 pages
Book Rating : 4.4/5 (46 download)

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Book Synopsis Wikinomics by : Don Tapscott

Download or read book Wikinomics written by Don Tapscott and published by Penguin. This book was released on 2008-04-17 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: The acclaimed bestseller that's teaching the world about the power of mass collaboration. Translated into more than twenty languages and named one of the best business books of the year by reviewers around the world, Wikinomics has become essential reading for business people everywhere. It explains how mass collaboration is happening not just at Web sites like Wikipedia and YouTube, but at traditional companies that have embraced technology to breathe new life into their enterprises. This national bestseller reveals the nuances that drive wikinomics, and share fascinating stories of how masses of people (both paid and volunteer) are now creating TV news stories, sequencing the human gnome, remixing their favorite music, designing software, finding cures for diseases, editing school texts, inventing new cosmetics, and even building motorcycles.

Bioprocess Engineering Principles

Author : Pauline M. Doran
Publisher : Elsevier
ISBN 13 : 0080528120
Total Pages : 455 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Bioprocess Engineering Principles by : Pauline M. Doran

Download or read book Bioprocess Engineering Principles written by Pauline M. Doran and published by Elsevier. This book was released on 1995-04-03 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: The emergence and refinement of techniques in molecular biology has changed our perceptions of medicine, agriculture and environmental management. Scientific breakthroughs in gene expression, protein engineering and cell fusion are being translated by a strengthening biotechnology industry into revolutionary new products and services. Many a student has been enticed by the promise of biotechnology and the excitement of being near the cutting edge of scientific advancement. However, graduates trained in molecular biology and cell manipulation soon realise that these techniques are only part of the picture. Reaping the full benefits of biotechnology requires manufacturing capability involving the large-scale processing of biological material. Increasingly, biotechnologists are being employed by companies to work in co-operation with chemical engineers to achieve pragmatic commercial goals. For many years aspects of biochemistry and molecular genetics have been included in chemical engineering curricula, yet there has been little attempt until recently to teach aspects of engineering applicable to process design to biotechnologists. This textbook is the first to present the principles of bioprocess engineering in a way that is accessible to biological scientists. Other texts on bioprocess engineering currently available assume that the reader already has engineering training. On the other hand, chemical engineering textbooks do not consider examples from bioprocessing, and are written almost exclusively with the petroleum and chemical industries in mind. This publication explains process analysis from an engineering point of view, but refers exclusively to the treatment of biological systems. Over 170 problems and worked examples encompass a wide range of applications, including recombinant cells, plant and animal cell cultures, immobilised catalysts as well as traditional fermentation systems. * * First book to present the principles of bioprocess engineering in a way that is accessible to biological scientists * Explains process analysis from an engineering point of view, but uses worked examples relating to biological systems * Comprehensive, single-authored * 170 problems and worked examples encompass a wide range of applications, involving recombinant plant and animal cell cultures, immobilized catalysts, and traditional fermentation systems * 13 chapters, organized according to engineering sub-disciplines, are groupled in four sections - Introduction, Material and Energy Balances, Physical Processes, and Reactions and Reactors * Each chapter includes a set of problems and exercises for the student, key references, and a list of suggestions for further reading * Includes useful appendices, detailing conversion factors, physical and chemical property data, steam tables, mathematical rules, and a list of symbols used * Suitable for course adoption - follows closely curricula used on most bioprocessing and process biotechnology courses at senior undergraduate and graduate levels.

Intakes and Outfalls for Seawater Reverse-Osmosis Desalination Facilities

Author : Thomas M. Missimer
Publisher : Springer
ISBN 13 : 3319132032
Total Pages : 551 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Intakes and Outfalls for Seawater Reverse-Osmosis Desalination Facilities by : Thomas M. Missimer

Download or read book Intakes and Outfalls for Seawater Reverse-Osmosis Desalination Facilities written by Thomas M. Missimer and published by Springer. This book was released on 2015-04-07 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book assembles the latest research on new design techniques in water supplies using desalinated seawater. The authors examine the diverse issues related to the intakes and outfalls of these facilities. They clarify how and why these key components of the facilities impact the cost of operation and subsequently the cost of water supplied to the consumers. The book consists of contributed articles from a number of experts in the field who presented their findings at the "Desalination Intakes and Outfalls" workshop held at King Abdullah University of Science and Technology (KAUST) in Saudi Arabia in October, 2013. The book integrates coverage relevant to a wide variety of researchers and professionals in the general fields of environmental engineering and sustainable development.

A Taste of Power

Author : Elaine Brown
Publisher : Anchor
ISBN 13 : 1101970103
Total Pages : 481 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis A Taste of Power by : Elaine Brown

Download or read book A Taste of Power written by Elaine Brown and published by Anchor. This book was released on 2015-05-20 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Profound, funny ... wild and moving ... heartbreaking accounts of a lonely black childhood.... Brown sees racial oppression in national and global context; every political word she writes pounds home a lesson about commerce, money, racism, communism, you name it ... A glowing achievement.” —Los Angeles Times Elaine Brown assumed her role as the first and only female leader of the Black Panther Party with these words: “I have all the guns and all the money. I can withstand challenge from without and from within. Am I right, Comrade?” It was August 1974. From a small Oakland-based cell, the Panthers had grown to become a revolutionary national organization, mobilizing black communities and white supporters across the country—but relentlessly targeted by the police and the FBI, and increasingly riven by violence and strife within. How Brown came to a position of power over this paramilitary, male-dominated organization, and what she did with that power, is a riveting, unsparing account of self-discovery. Brown’s story begins with growing up in an impoverished neighborhood in Philadelphia and attending a predominantly white school, where she first sensed what it meant to be black, female, and poor in America. She describes her political awakening during the bohemian years of her adolescence, and her time as a foot soldier for the Panthers, who seemed to hold the promise of redemption. And she tells of her ascent into the upper echelons of Panther leadership: her tumultuous relationship with the charismatic Huey Newton, who would become her lover and her nemesis; her experience with the male power rituals that would sow the seeds of the party's demise; and the scars that she both suffered and inflicted in that era’s paradigm-shifting clashes of sex and power. Stunning, lyrical, and acute, this is the indelible testimony of a black woman’s battle to define herself.

Macondo Well Deepwater Horizon Blowout

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309221412
Total Pages : 236 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Macondo Well Deepwater Horizon Blowout by : National Research Council

Download or read book Macondo Well Deepwater Horizon Blowout written by National Research Council and published by National Academies Press. This book was released on 2012-03-02 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: The blowout of the Macondo well on April 20, 2010, led to enormous consequences for the individuals involved in the drilling operations, and for their families. Eleven workers on the Deepwater Horizon drilling rig lost their lives and 16 others were seriously injured. There were also enormous consequences for the companies involved in the drilling operations, to the Gulf of Mexico environment, and to the economy of the region and beyond. The flow continued for nearly 3 months before the well could be completely killed, during which time, nearly 5 million barrels of oil spilled into the gulf. Macondo Well-Deepwater Horizon Blowout examines the causes of the blowout and provides a series of recommendations, for both the oil and gas industry and government regulators, intended to reduce the likelihood and impact of any future losses of well control during offshore drilling. According to this report, companies involved in offshore drilling should take a "system safety" approach to anticipating and managing possible dangers at every level of operation-from ensuring the integrity of wells to designing blowout preventers that function under all foreseeable conditions-in order to reduce the risk of another accident as catastrophic as the Deepwater Horizon explosion and oil spill. In addition, an enhanced regulatory approach should combine strong industry safety goals with mandatory oversight at critical points during drilling operations. Macondo Well-Deepwater Horizon Blowout discusses ultimate responsibility and accountability for well integrity and safety of offshore equipment, formal system safety education and training of personnel engaged in offshore drilling, and guidelines that should be established so that well designs incorporate protection against the various credible risks associated with the drilling and abandonment process. This book will be of interest to professionals in the oil and gas industry, government decision makers, environmental advocacy groups, and others who seek an understanding of the processes involved in order to ensure safety in undertakings of this nature.

Born to Run

Author : Christopher McDougall
Publisher : Profile Books
ISBN 13 : 184765228X
Total Pages : 296 pages
Book Rating : 4.8/5 (476 download)

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Book Synopsis Born to Run by : Christopher McDougall

Download or read book Born to Run written by Christopher McDougall and published by Profile Books. This book was released on 2010-12-09 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: A New York Times bestseller 'A sensation ... a rollicking tale well told' - The Times At the heart of Born to Run lies a mysterious tribe of Mexican Indians, the Tarahumara, who live quietly in canyons and are reputed to be the best distance runners in the world; in 1993, one of them, aged 57, came first in a prestigious 100-mile race wearing a toga and sandals. A small group of the world's top ultra-runners (and the awe-inspiring author) make the treacherous journey into the canyons to try to learn the tribe's secrets and then take them on over a course 50 miles long. With incredible energy and smart observation, McDougall tells this story while asking what the secrets are to being an incredible runner. Travelling to labs at Harvard, Nike, and elsewhere, he comes across an incredible cast of characters, including the woman who recently broke the world record for 100 miles and for her encore ran a 2:50 marathon in a bikini, pausing to down a beer at the 20 mile mark.

A Journey in the Seaboard Slave States

Author : Frederick Law Olmsted
Publisher :
ISBN 13 :
Total Pages : 760 pages
Book Rating : 4.R/5 (3 download)

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Book Synopsis A Journey in the Seaboard Slave States by : Frederick Law Olmsted

Download or read book A Journey in the Seaboard Slave States written by Frederick Law Olmsted and published by . This book was released on 1856 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Thesaurus of English Word Roots

Author : Horace Gerald Danner
Publisher : Rowman & Littlefield
ISBN 13 : 1442233265
Total Pages : 1007 pages
Book Rating : 4.4/5 (422 download)

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Book Synopsis A Thesaurus of English Word Roots by : Horace Gerald Danner

Download or read book A Thesaurus of English Word Roots written by Horace Gerald Danner and published by Rowman & Littlefield. This book was released on 2014-03-27 with total page 1007 pages. Available in PDF, EPUB and Kindle. Book excerpt: Horace G. Danner’s A Thesaurus of English Word Roots is a compendium of the most-used word roots of the English language. As Timothy B. Noone notes in his foreword: “Dr. Danner’s book allows you not only to build up your passive English vocabulary, resulting in word recognition knowledge, but also gives you the rudiments for developing your active English vocabulary, making it possible to infer the meaning of words with which you are not yet acquainted. Your knowledge can now expand and will do so exponentially as your awareness of the roots in English words and your corresponding ability to decode unfamiliar words grows apace. This is the beginning of a fine mental linguistic library: so enjoy!” In A Thesaurus of English Word Roots, all word roots are listed alphabetically, along with the Greek or Latin words from which they derive, together with the roots’ original meanings. If the current meaning of an individual root differs from the original meaning, that is listed in a separate column. In the examples column, the words which contain the root are then listed, starting with their prefixes, for example, dysacousia, hyperacousia. These root-starting terms then are followed by terms where the root falls behind the word, e.g., acouesthesia and acoumeter. These words are followed by words where the root falls in the middle or the end, as in such terms as bradyacusia and odynacusis.. In this manner, A Thesaurus of English Word Roots places the word in as many word families as there are elements in the word. This work will interest linguists and philologists and anyone interested in the etymological aspects of English language.

Anna, Age Eight

Author : Katherine Ortega Courtney
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781979903073
Total Pages : 168 pages
Book Rating : 4.9/5 (3 download)

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Book Synopsis Anna, Age Eight by : Katherine Ortega Courtney

Download or read book Anna, Age Eight written by Katherine Ortega Courtney and published by Createspace Independent Publishing Platform. This book was released on 2017-12-25 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: "With research showing child maltreatment is substantiated for one in eight children in the US, it's clear Adverse Childhood Experiences (ACEs), a broader category of experiences than just maltreatment, are at an epidemic scale in our society ... The authors' main thesis, quite simply, is that protecting all our children is entirely possible, but only when we know the scope of the challenges families face. The book provides a detailed, data-driven analysis of the scope of the problem and how to strengthen systems designed to protect our children"--

The Language Instinct

Author : Steven Pinker
Publisher : Harper Collins
ISBN 13 : 0062032526
Total Pages : 578 pages
Book Rating : 4.0/5 (62 download)

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Book Synopsis The Language Instinct by : Steven Pinker

Download or read book The Language Instinct written by Steven Pinker and published by Harper Collins. This book was released on 2010-12-14 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A brilliant, witty, and altogether satisfying book." — New York Times Book Review The classic work on the development of human language by the world’s leading expert on language and the mind In The Language Instinct, the world's expert on language and mind lucidly explains everything you always wanted to know about language: how it works, how children learn it, how it changes, how the brain computes it, and how it evolved. With deft use of examples of humor and wordplay, Steven Pinker weaves our vast knowledge of language into a compelling story: language is a human instinct, wired into our brains by evolution. The Language Instinct received the William James Book Prize from the American Psychological Association and the Public Interest Award from the Linguistics Society of America. This edition includes an update on advances in the science of language since The Language Instinct was first published.