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Web Version Share with a Colleague Download the Issue Subscribe   In our March/April issue: Cannabis Analysis Inter-Lab Variation in the Cannabis Industry, Part I: Problem and Causes Brian C. Smith Too often, cannabis laboratories get different results on the same sample. There are a number of causes and solutions. In this installment, the problem is presented along with its causes. Read more »   The Cultivation Classroom Cultivating with LEDs: Past, Present, and Future Roger Kern Driven by the need to save energy and reduce operational costs, indoor growers are turning to alternative means of illuminating their cannabis crop. In more and more indoor grows, high-intensity discharge lamps (HIDs) are being swapped out for light-emitting diodes (LEDs). Read more »   Navigating the Labyrinth: Challenges of Cannabis in the Laboratory Right From the Grow: A Look at Sampling and Sample Preparation Methods of Solid Cannabis for Analysis Patricia Atkins Laboratories are challenged with highly regulated and difficult sample schematics, sample preparation, extraction, and testing procedures that try to ensure accuracy and precision of testing. Accuracy in analytical testing starts at the very beginning with sampling and sample preparation prior to testing. Read more »     Cannabis Crossroads Hemp Science Takes Root at Morgan State University Joshua M. Crossney In this installment of “Cannabis Crossroads,” we take a closer look at the hemp revolution, and more specifically, academic hemp research. Read more »     Peer-Reviewed Article Making Sense of Cannabis Strains Through Chemometrics in Review Cindy Orser and Philippe Henry The cannabis industry is constrained by the continued use of acronyms and nonstandard abbreviations for strain naming in lieu of a scientific-based standardized classification convention or lexicon. Applying chemometric tools can result in not only the authentication of a given cannabis cultivar but also provide a quality control mechanism for both cannabis flower and any resulting cannabis-based drugs. Read more »     Features Factors Influencing Yields in Extraction, Part I: Understanding the Influence of Starting Material and Performing Extraction Calculations Krista Kulczycki and Aaron Godin At a glance, modern extraction machines can seem a little mysterious: plant material is added to an extraction chamber, processing parameters are chosen, the extraction process is carried out, and an output of material is collected. Part I of this series examines the two main biologically-inherent starting-material influences. Read more »   Understanding VPD and Transpiration Rates for Cannabis Cultivation Operations Laura Breit, Michael Leavitt, and Adam Boyd This article explores how vapor pressure differentials (VPD) affect transpiration rates in cannabis plants. Understanding of VPD at different temperatures and relative humidities, and its effect on this process, is important to gain maximum plant growth. Read more »   Cannabis for Animals: A Look Into Cannabis as Medicine for Pets Stephen Cital Here we review the current and pertinent literature in utilizing cannabis derivatives in animals and discuss the future forecast of cannabis in veterinary medicine. Read more »     Download the issue         ON DEMAND WEBCASTS   Expanded Mycotoxin LC–MS/MS Analysis in Cannabis Matrices Learn more »   Eliminating Toxic Contaminants from Cannabis Extracts Using Proven Chromatography Purification Methods Learn more »     If you would like to submit an article to Cannabis Science and Technology contact Meg L'Heureux, Editor-in-Chief - [email protected]   Cannabis Science and Technology is free to qualified subscribers. To subscribe, Click here   Click here to contact the Cannabis Science and Technology sales team.