One of the first large-scale analyses of how people share knowledge on Yahoo Answers has found that participants use the site to exchange advice and opinions, in addition to technical expertise.

Labor frontbencher Anthony Albanese says a $2.6 million grant to help build a monument to the historic Tree of Knowledge is not a waste of taxpayer funds.

An educational and motivational video, designed to increase emotional well-being and use of adaptive devices in low vision patients increased knowledge but did not change behavior or emotions, says Schepens Eye Research Institute scientists in a study in the March Issue of Optometry & Vision Science.