2016-02-12 Christopher Ingraham
If you’re trying to improve your golf swing or master that tricky guitar chord progression, here’s some good news from researchers at Johns Hopkins University: You may be able to double how quickly you learn skills like these by introducing subtle variations into your practice routine.
https://www.washingtonpost.com/news/wonk/wp/2016/02/12/how-to-learn-new-skills-twice-as-fast/