Please Note

Studies can suffer from selection bias when people are recruited from a specific group that are not representative of the whole. Scientists select a smaller group to study, but the chosen set isn't random enough and is therefore somehow biased in favor of a specific outcome of th...

In March 1981, the Scientific American put the Cube on the cover. Scientist Douglas Hofstadter was struck by the ability to use the Cube as a tool for teaching mathematical ideas.

The Cube can be used to teach group theory, or the symmetries of objects. Any twist of any face is a group el...

• There is still ambiguity if listening to or playing the music causes the benefits.
• It is not known if stimulating or relaxing music is doing the healing.
• It is not known if the music is the person’s favourite music or of his liking, as opposed to something chosen by the ex...