Moodle is designed to support pedagogies based on social constructionist theory, and includes activity modules such as forums, chats, resources, journals, quizzes, surveys, choices, workshops, glossaries, lessons, and assignments.

UNESCO: Free and Open Source Software for E-learning

In 2008, The Heartland Institute, headquartered in Chicago, began organizing international conferences of scientists from across the globe who want to raise and discuss intellectually troubling questions and doubts regarding the theory that human activity is causing ultimately catastrophic global warming.

FORBES: Fakegate: The Obnoxious Fabrication of Global Warming

The discovery of quantum mechanics and Einstein's theory of relativity, vital to much of modern technology and economic activity, including the transistor, the laser and the atomic bomb.

ECONOMIST: Letters

With a mobile network that offers broadband speeds and capacity, it in theory becomes possible to carry out all manner of online activity on the hoof.

CNN: 4 ways 4G will change your life