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...

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

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

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...

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...

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...

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 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...

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...

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...

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...

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...

Experience dynamic power. You've learned the basics of writing code with code in Metaprogramming Ruby. Now take it to the next level with eval, object lifecycle hooks, and more!

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...

Explore emerging learning theories and interactive technologies to create engaging experiences for today’s connected students. Technology, digital media and mobile access have changed how people learn. Today’s students want to be engaged and self-directed with digital content, available anytime, anywhere...

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 Ruby, today. You want to learn Ruby for fun, for a new job, or just to see what all the fuss is about? Start here.

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

Experience the next level. You've mastered the Ruby Primer. Now it's time to master more advanced Ruby skills!

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...