Learning new and cool things is always fun, isn’t it? Even if some bit of information may seem inconsequential to others – like how to distinguish various penguin species – they may be of interest to you. These nifty charts and guides below impart great practical and useful knowledge and may come in handy to you in different situations. From a Persian carpet guide to ways to learn how to tie different types of knots, you might want to save some of these charts.
