Today, we're happy to announce the release of a new and improved version control for Authorea documents: History view. What is version control?A version control or revision control system automatically records changes to a piece of text over time. As a result, a document will contain underneath it the story of how it came together -- who made which contributions and when -- with the ability to track changes on a granular level over time. The Authorea system is based on Git, the most popular version control system in the world and one originally developed by the creator of the Linux operating system. 

Background: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis vestibulum diam a eleifend tincidunt.Methods: Duis non sapien justo. Quisque elementum, mauris a ullamcorper pharetra, mauris enim ullamcorper urna, sit amet fermentum sem nulla vel nibh.Results: Etiam id urna non leo condimentum egestas pulvinar sit amet ex. Aenean faucibus eget dui at gravida.Conclusions: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum sodales neque dolor, et mollis turpis viverra non.Impact: Lorem ipsum dolor sit amet consectetur adipiscing elit. Duis vestibulum diam a eleifend tincidunt.

Purpose: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis vestibulum diam a eleifend tincidunt.Experimental Design: Duis non sapien justo. Quisque elementum, mauris a ullamcorper pharetra, mauris enim ullamcorper urna, sit amet fermentum sem nulla vel nibh.Results: Etiam id urna non leo condimentum egestas pulvinar sit amet ex. Aenean faucibus eget dui at gravida.Conclusions: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum sodales neque dolor, et mollis turpis viverra non.

(200 Words Max) Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis vestibulum diam a eleifend tincidunt. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Morbi libero risus, pretium ac urna vel, iaculis sagittis nisl. Duis non sapien justo. Quisque elementum, mauris a ullamcorper pharetra, mauris enim ullamcorper urna, sit amet fermentum sem nulla vel nibh. Etiam id urna non leo condimentum egestas pulvinar sit amet ex. Aenean faucibus eget dui at gravida. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum sodales neque dolor, et mollis turpis viverra non.

(250 Word Max) Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis vestibulum diam a eleifend tincidunt. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Morbi libero risus, pretium ac urna vel, iaculis sagittis nisl. Duis non sapien justo. Quisque elementum, mauris a ullamcorper pharetra, mauris enim ullamcorper urna, sit amet fermentum sem nulla vel nibh. Etiam id urna non leo condimentum egestas pulvinar sit amet ex. Aenean faucibus eget dui at gravida. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum sodales neque dolor, et mollis turpis viverra non.

The abstract is the part of your paper which will be read by the largest number of scientists so it plays a crucial role. The abstract is a condensation of the information (facts) in the paper and should be brief (150 - 250 words), specific and self-contained including the methods of the research and the principal results. The abstract should not include trivial experimental details, references, figures or equations.

A concise and factual abstract is required. The abstract should state briefly the purpose of the research, the principal results and major conclusions. An abstract is often presented separately from the article, so it must be able to stand alone. For this reason, References should be avoided, but if essential, then cite the author(s) and year(s). Also, non-standard or uncommon abbreviations should be avoided, but if essential they must be defined at their first mention in the abstract itself.KeywordsImmediately after the abstract, provide a maximum of 6 keywords, using American spelling and avoiding general and plural terms and multiple concepts (avoid, for example, 'and', 'of'). Be sparing with abbreviations: only abbreviations

The abstract is the part of your paper which will be read by the largest number of scientists so it plays a crucial role. The abstract is a condensation of the information (facts) in the paper and should be brief (150 - 250 words), specific and self-contained including the methods of the research and the principal results. The abstract should not include trivial experimental details, references, figures or equations.

This Authorea document template can be used to prepare documents according to a desired citation style and authoring guidelines. Abstracts are not always required, but most academic papers have one and writers should know how to produce a useful abstract. An abstract should be a very short, clear and concise summation of the entire paper.An abstract should provide enough of a preview that a typical reader will know whether or not they wish to read the paper. It should reveal both the purpose and conclusions of the paper.IntroductionThe format of this template follows a typical journal publication with an introduction, results and conclusion. Examples of an equation, list and citation are also included. The purpose of the introductionMost academic introductions follow an ‘inverted pyramid’ structure: they start broad and narrow down to a specific thesis or research question. The introduction should reveal:some broad knowledge of the overall topicreferences to related and prior work in the field of investigationsuccinct overview of the major point of the paperResultsThis section is only included in papers that rely on primary research. This section catalogues the results of the experiment. The results should be presented in a clear and unbiased way. Most results sections will contain links and citations, e.g., \cite{Feynman_1986}, and equations, e.g. \(e^{i\pi}+1=0\).ConclusionThe conclusion should reinforce the major claims or interpretation in a way that is not mere summary. The writer should try to indicate the significance of the major claim/interpretation beyond the scope of the paper but within the parameters of the field. The writer might also present complications the study illustrates or suggest further research the study indicates is necessary.

A textual abstract of about 50 words.

The abstract is the part of your paper which will be read by the largest number of scientists so it plays a crucial role. The abstract is a condensation of the information (facts) in the paper and should be brief (150 - 250 words), specific and self-contained including the methods of the research and the principal results. The abstract should not include trivial experimental details, references, figures or equations.

A concise and factual abstract is required. The abstract should state briefly the purpose of the research, the principal results and major conclusions. An abstract is often presented separately from the article, so it must be able to stand alone. For this reason, References should be avoided, but if essential, then cite the author(s) and year(s). Also, non-standard or uncommon abbreviations should be avoided, but if essential they must be defined at their first mention in the abstract itself.KeywordsImmediately after the abstract, provide a maximum of 6 keywords, using American spelling and avoiding general and plural terms and multiple concepts (avoid, for example, 'and', 'of'). Be sparing with abbreviations: only abbreviations firmly established in the field may be eligible. These keywords will be used for indexing purposes.

This guide outlines key points for preparing primary research manuscripts for submission to Nature Communications. The corresponding author should be familiar with the Nature journals’ editorial policies and is solely responsible for communicating with the journal and managing communication between coauthors. Before submission, the corresponding author ensures that all authors are included in the author list and agree with its order, and that they are aware the manuscript is to be submitted. For more information on editorial and authorship policies please review our Guide to Authors.Cover letterAlthough optional, the cover letter is an excellent opportunity to briefly discuss the context and importance of the submitted work and why it is appropriate for the journal. Please avoid repeating information that is already present in the abstract and introduction. The cover letter is not shared with the referees, and should be used to provide confidential information, such as conflicts of interest, and to declare any related work that is in press or submitted elsewhere.Main manuscriptThe Nature journals are flexible with regard to the format of initial submissions. Within reason, style and length will not influence consideration of a manuscript. If revisions are requested, the editor will provide detailed formatting instructions at that time. For information on length and formatting consult Nature Communications' content types.Title.If possible, this should be 15 words or fewer and should not contain technical terms, abbreviations, punctuation and active verbs.Authors.Corresponding author(s) should be identified with an asterisk.Abstract.Provide a general introduction to the topic and a brief nontechnical summary of your main results and their implication.Text length and formatting. Attention to the following details can help expedite publication if we invite a revision after external review.Articles: an abstract of approximately 150 words, unreferenced; main text of no more than 5,000 words and 10 display items (figures, tables). As a guideline, Articles allow up to 70 references. Section headings should be used and subheadings may appear in 'Results'. Avoid 'Introduction' as a heading.Methods.The Methods section appears in all online original research articles and should contain all elements necessary for interpretation and replication of the results. Methods should be written as concisely as possible and typically do not exceed 3,000 words but may be longer if necessary. We encourage you to deposit any step-by-step protocols used in your study in Protocol Exchange, an open resource maintained by NPG. These protocols are linked to the Methods section upon publication.References.These may only contain citations and should list only one publication with each number. Include the title of the cited article or dataset. Acknowledgements (optional). Keep acknowledgements brief and do not include thanks to anonymous referees or editors, or effusive comments. Grant or contribution numbers may be acknowledged. Author contributions. You must include a statement that specifies the individual contributions of each co-author. For example: "A.P.M. ‘contributed’ Y and Z; B.T.R. ‘contributed’ Y,” etc. See our authorship policies for more details.Competing financial interests.Submission of a competing financial interests statement is required for all content of the journal.Materials & Correspondence.Indicate the author(s) to whom correspondence and material requests should be addressed.Tables.Each table should be submitted as a word document and accompanied by a short title sentence describing what the table shows. Further details can be included as footnotes to the table.FiguresHigh-resolution image files are not required at initial submission, but please ensure that images are of sufficient resolution for referees to properly assess the data.

All parts of the blinded manuscript should have at least 1 inch margins should be double spaced and should use a standard 12-point font. Manuscripts should generally not exceed 12500 words (including text endnotes research ethics statement references and appendices); the number of tables and figures should be kept to a minimum. Please refer to the ASA Style Guide for more information.

Title PageThe title page must contain the following information:Title of the article:Corresponding author: Full name, postal address, e-mail and telephone number of the corresponding author:Full name, department, institution, city and country of all co-authors:Keywords: Up to five keywords or phrases suitable for use in an index (it is recommended to use MeSH terms).Word count: excluding title page, abstract, references, figures and tables.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. In felis arcu, maximus sit amet risus in, efficitur commodo sem. Sed posuere erat at nulla porta, quis sagittis turpis tristique. Ut fringilla dolor vel nisi pretium, eu laoreet enim sagittis. Pellentesque consectetur nec quam ut rutrum. Mauris blandit libero sem, ut consequat mauris pharetra quis. Sed vulputate finibus ullamcorper. Nulla molestie est at dictum auctor. Interdum et malesuada fames ac ante ipsum primis in faucibus. Sed malesuada laoreet varius. Sed varius lectus in hendrerit euismod. Curabitur ultricies magna a quam pharetra consectetur.Keywordskeyword 1, keyword 2, keyword 3, keyword 4BackgroundMaecenas vitae tristique felis. Nunc tempus magna tortor, eget consequat nisi ultricies vel. Donec id nulla laoreet, congue sapien sit amet, placerat orci. Suspendisse fermentum erat a congue efficitur. Praesent eget dictum velit. Proin eget euismod eros. Donec accumsan purus eu lorem sodales fermentum. Aenean non leo non elit feugiat cursus et in metus. Nam ante mi, venenatis eget tortor non, elementum faucibus odio. Maecenas bibendum scelerisque justo, vel dignissim nunc gravida vitae. Curabitur blandit, nulla et pretium sagittis, neque sapien tincidunt urna, vel ornare quam ex id eros.Vivamus auctor id nibh sed pharetra. Fusce pellentesque dapibus massa eget varius. Maecenas laoreet nulla vitae hendrerit iaculis. Vestibulum a velit venenatis, facilisis nunc mollis, elementum nulla. Duis at mattis nisi, at feugiat velit. Aliquam congue interdum tincidunt. Nam tempor quam augue, eu lacinia lectus scelerisque vitae.SubsectionLorem ipsum dolor sit amet, consectetur adipiscing elit. In felis arcu, maximus sit amet risus in, efficitur commodo sem. Sed posuere erat at nulla porta, quis sagittis turpis tristique. Ut fringilla dolor vel nisi pretium, eu laoreet enim sagittis. Pellentesque consectetur nec quam ut rutrum. Mauris blandit libero sem, ut consequat mauris pharetra quis. Sed vulputate finibus ullamcorper. Nulla molestie est at dictum auctor. Interdum et malesuada fames ac ante ipsum primis in faucibus. Sed malesuada laoreet varius. Sed varius lectus in hendrerit euismod. Curabitur ultricies magna a quam pharetra consectetur.Lorem ipsum dolor sit amet, consectetur adipiscing elit. In felis arcu, maximus sit amet risus in, efficitur commodo sem. Sed posuere erat at nulla porta, quis sagittis turpis tristique. Ut fringilla dolor vel nisi pretium, eu laoreet enim sagittis. Pellentesque consectetur nec quam ut rutrum. Mauris blandit libero sem, ut consequat mauris pharetra quis. Sed vulputate finibus ullamcorper. Nulla molestie est at dictum auctor. Interdum et malesuada fames ac ante ipsum primis in faucibus. Sed malesuada laoreet varius. Sed varius lectus in hendrerit euismod. Curabitur ultricies magna a quam pharetra consectetur.SubsectionVivamus auctor id nibh sed pharetra. Fusce pellentesque dapibus massa eget varius. Maecenas laoreet nulla vitae hendrerit iaculis. Vestibulum a velit venenatis, facilisis nunc mollis, elementum nulla. Duis at mattis nisi, at feugiat velit. Aliquam congue interdum tincidunt. Nam tempor quam augue, eu lacinia lectus scelerisque vitae.Vivamus auctor id nibh sed pharetra. Fusce pellentesque dapibus massa eget varius. Maecenas laoreet nulla vitae hendrerit iaculis. Vestibulum a velit venenatis, facilisis nunc mollis, elementum nulla. Duis at mattis nisi, at feugiat velit. Aliquam congue interdum tincidunt. Nam tempor quam augue, eu lacinia lectus scelerisque vitae.Vivamus auctor id nibh sed pharetra. Fusce pellentesque dapibus massa eget varius. Maecenas laoreet nulla vitae hendrerit iaculis. Vestibulum a velit venenatis, facilisis nunc mollis, elementum nulla. Duis at mattis nisi, at feugiat velit. Aliquam congue interdum tincidunt. Nam tempor quam augue, eu lacinia lectus scelerisque vitae.MethodsLorem ipsum dolor sit amet, consectetur adipiscing elit. In felis arcu, maximus sit amet risus in, efficitur commodo sem. Sed posuere erat at nulla porta, quis sagittis turpis tristique. Ut fringilla dolor vel nisi pretium, eu laoreet enim sagittis. Pellentesque consectetur nec quam ut rutrum. Mauris blandit libero sem, ut consequat mauris pharetra quis. Sed vulputate finibus ullamcorper. Nulla molestie est at dictum auctor. Interdum et malesuada fames ac ante ipsum primis in faucibus. Sed malesuada laoreet varius. Sed varius lectus in hendrerit euismod. Curabitur ultricies magna a quam pharetra consectetur.Lorem ipsum dolor sit amet, consectetur adipiscing elit. In felis arcu, maximus sit amet risus in, efficitur commodo sem. Sed posuere erat at nulla porta, quis sagittis turpis tristique. Ut fringilla dolor vel nisi pretium, eu laoreet enim sagittis. Pellentesque consectetur nec quam ut rutrum. Mauris blandit libero sem, ut consequat mauris pharetra quis. Sed vulputate finibus ullamcorper. Nulla molestie est at dictum auctor. Interdum et malesuada fames ac ante ipsum primis in faucibus. Sed malesuada laoreet varius. Sed varius lectus in hendrerit euismod. Curabitur ultricies magna a quam pharetra consectetur.Discussion and ConclusionsVivamus auctor id nibh sed pharetra. Fusce pellentesque dapibus massa eget varius. Maecenas laoreet nulla vitae hendrerit iaculis. Vestibulum a velit venenatis, facilisis nunc mollis, elementum nulla. Duis at mattis nisi, at feugiat velit. Aliquam congue interdum tincidunt. Nam tempor quam augue, eu lacinia lectus scelerisque vitae.Vivamus auctor id nibh sed pharetra. Fusce pellentesque dapibus massa eget varius. Maecenas laoreet nulla vitae hendrerit iaculis. Vestibulum a velit venenatis, facilisis nunc mollis, elementum nulla. Duis at mattis nisi, at feugiat velit. Aliquam congue interdum tincidunt. Nam tempor quam augue, eu lacinia lectus scelerisque vitae.Vivamus auctor id nibh sed pharetra. Fusce pellentesque dapibus massa eget varius. Maecenas laoreet nulla vitae hendrerit iaculis. Vestibulum a velit venenatis, facilisis nunc mollis, elementum nulla. Duis at mattis nisi, at feugiat velit. Aliquam congue interdum tincidunt. Nam tempor quam augue, eu lacinia lectus scelerisque vitae.Research EthicsVivamus auctor id nibh sed pharetra. Fusce pellentesque dapibus massa eget varius. Maecenas laoreet nulla vitae hendrerit iaculis. Vestibulum a velit venenatis, facilisis nunc mollis, elementum nulla. Duis at mattis nisi, at feugiat velit. Aliquam congue interdum tincidunt. Nam tempor quam augue, eu lacinia lectus scelerisque vitae.Vivamus auctor id nibh sed pharetra. Fusce pellentesque dapibus \cite{Morris_2017}.

Original Articles must be prepared with an unstructured abstract designed to summarise the essential features of the paper in a logical and concise sequence.

No more than approx. 500 words (or 3000 characters).Headings in structured abstracts should be bold and followed by a period. Each heading should begin a new paragraph. For example: