The Web: never before has there been a medium where it was so easy to find so much information. And never before has so much of it been so wrong. Somebody needs to fact-check the Internet. But who?

Would researchers scrawl notes, critiques and comments across online research papers if software made the annotation easy for them? Dan Whaley, founder of the non-profit organization Hypothes.is, ...

Earlier this year, a group of climate scientists were outraged about a Wall Street Journal editorial. In an earlier era, they might have written a letter to the editor, or meekly submitted their ...