Learn about proteins and the important role structure plays in their function as you learn how to analyze and align protein sequences. Proteins play a very important role in all organisms. In fact, most of the work that happens inside every cell happens because a specific protein is employed for a specific...

The Koans walk you along the path to enlightenment in order to learn Ruby. The goal is to learn the Ruby language, syntax, structure, and some common functions and libraries. We also teach you culture. Testing is not just something we pay lip service to, but something we live. It is essential in your...

This Columbia University virology course is offered each year in the spring semester. The basic thesis of the course is that all viruses adopt a common strategy. The strategy is simple: 1. Viral genomes are contained in metastable particles. 2. Genomes encode gene products that promote an infectious...

Methods used for the study of viruses Viral growth * Multiplicity of Infection * Influenza virus growth in eggs Viral detection * Influenza hemagglutination inhibition assay * Influenza microneutralization assay * Detecting viruses: the plaque assay * Measurement of viruses by end-point dilution...

Code that writes code. Add more powerful abstractions and reduce duplication through Ruby that writes Ruby!

Explore the design, development and use of digital media and emerging technologies to support online teaching and learning. Instructional designers today have a tremendous number of tools and resources available to them to create highly engaging courses. Social media, digital video, and freely available...

Learn how to design, configure, and manage a cloud computing infrastructure. As Cloud Computing shapes businesses of all sizes, it is vital to understand the technologies behind cloud infrastructure, both public and private. This course, part of the Cloud Computing MicroMasters program, focuses on components...

Learn the advanced software testing techniques, tools, and best practices required to deliver high-quality software. Software testing gets a bad rap for being difficult, time-consuming, redundant, and above all - boring. But in fact, it is a proven way to ensure that your software will work flawlessly...

Improve the quality of your research by learning and applying best practices to collect, store and use biospecimens in your laboratory. This biology and life sciences course will enable you to collect, recognize and utilize a quality human biospecimen. The success of your research depends on the quality...

Learn how to effectively manage software tests using estimations, defect management, metrics and software quality initiatives. There is much more to software testing than just finding defects. Successful software and quality assurance engineers need to also manage the testing of software. In this course...

Enhance your scientific thinking and data analysis skills with this in-depth adventure through biochemistry. Do you want to prepare for medical school, study a STEM field, become a research scientist, or transition to a career in the booming biotechnology industry? Or maybe you just want to understand...

A koan-style tutorial in Java for Neo4j. This set of Koans provides a hands-on tutorial for learning the Neo4j open source graph database. It's part of a more comprehensive tutorial often presented by the authors and other folks. The Koan idea was borrowed from the Ruby Koans which provide a number...

Learn to critically analyze modern energy technologies from engineering and socio-political perspectives, and gain the skills necessary to help the world meet rising energy demand while reducing carbon dioxide and other greenhouse gas emissions driving climate change Climate change is an urgent global...

A new class is starting at virology blog: Virology 101. I began this blog in 2004, to give back what I’ve learned from studying viruses for 30+ years. I’ve written many posts on basic virology, but they tend to disappear with time. To remedy this problem, I’ve collected all these posts with links...

Delightful coding lessons in Ruby. From Gregory Brown's Practicing Ruby newsletter.

Soon after the new influenza H1N1 strain emerged in April 2009, I began a series of blog posts on basic aspects of influenza virus replication and pathogenesis. The goal of this series is to provide information that will allow everyone to better understand the events surrounding emergence and spread...

Build web apps using Ruby on Rails. This is an extremely limited alpha version of the book. Thanks for your patience!

Gain the skills necessary to effectively manage a corporation’s finances. Learn to use discounted cash flow, rate-of-return analyses and other financial management tools to evaluate projects, investments, and financial instruments. Want to learn how to make your corporation’s money make money? In this...

Understand cloud computing technologies and how they can increase business productivity and effectiveness. Organizations are increasingly moving their critical information and assets to the cloud. Understand the technology, best practices, and economics of cloud computing, and the rewards and risks of...

Expand your interactive Unreal Engine 3D skills with Blueprints, Landscapes, Audio and AI In this course, you’ll build on your knowledge from UNRL 101 by learning visual scripting using Blueprints. This node-based system based on C++ enables powerful programming without the syntax typically involved...