I keep finding some useful tools and interesting ideas:

• maths’ gruffy graph grafter
• www.periodni.com
• http://www.myfonts.com/WhatTheFont/
• https://www.brainpickings.org/2014/11/06/language-lying-deception/
• https://www.brainpickings.org/2015/09/08/why-some-people-are-left-handed/
• https://www.youtube.com/watch?v=nV6SDDlc60g