Each country has its own laws, traditions and customs. No matter how strange you may find them it's best to be aware of what is considered an ill manner, taboo, or a crime abroad. For example, did you know that it is obligatory to leave some tips in the USA while in Japan such act would be treated as an offense? Find out more common mistakes tourists make and don't do these 18 things whilst abroad.
Whether we're talking about politics or the animal kingdom, learning something new can require a fair amount of time and effort. Luckily, we don't always have to read lengthy scientific papers. Some people do it for us. And not only that — they narrow down everything to a few bullet points and illustrate them to help our minds remember.