My Educational Articles

Map of income taxes and social security contributions by country in Europe
Imagine you are an average-wage worker in your country. Do you know what percentage of the money your employer has to allot to you every (...)
November 10, 2014 – Jakub MarianMaps
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‘Right side’ vs. ‘right-hand side’ in English
The expressions “right side” and “right-hand side” (and, correspondingly, “left side” and “left-hand side”) are interchangeable in most (...)
November 9, 2014 – Jakub MarianEnglish
© Les Cunliffe - Fotolia.com
‘Half five’, ‘half seven’, ‘half ten’… what does it mean in British English?
The standard way to tell the time when it’s X:30 is “half past X”. For example, 5:30 is “half past five”, 7:30 is “half past seven”, and (...)
November 5, 2014 – Jakub MarianEnglish
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‘Hearable’ vs. ‘audible’ in English
Adjectives expressing the ability of a thing to be perceived using a sense are often derived from a root that differs from that of the (...)
October 31, 2014 – Jakub MarianEnglish
© Les Cunliffe - Fotolia.com
Irregular English verbs: ring, sing, drink, shrink, sink, stink
There is a small class of irregular English verbs that follow the pronunciation pattern /ɪŋ/ → /æŋ/ → /ʌŋ/ in the past tense, (...)
October 29, 2014 – Jakub MarianEnglish

By the way, have you already seen my brand new web app for non-native speakers of English? It's based on reading texts and learning by having all meanings, pronunciations, grammar forms etc. easily accessible. It looks like this:

Number of former colonies of European countries (map)
The following map shows the number of colonies European countries (or their historical ancestors) have had, and it is based mainly on this (...)
October 27, 2014 – Jakub MarianMaps
© Les Cunliffe - Fotolia.com
Irregular English verbs: -ode and -ade
It is no wonder Raj in the Big Bang theory couldn’t find the right past tense of “forbid”. The verb “bid” in the sense of either issuing a (...)
October 24, 2014 – Jakub MarianEnglish
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‘Hair is’ vs. ‘hair are’ vs. ‘hairs are’ in English
The soft matter covering your head is usually referred to using a plural noun in other languages, e.g. die Haare in German or les cheveux (...)
October 22, 2014 – Jakub MarianEnglish
Is 0.999… (repeating) equal to 1?
The short answer is yes. $0.\bar 9$ (zero point 9 repeating) is exactly 1. However, a lot of people find this result counter-intuitive (...)
October 16, 2014 – Jakub MarianMathematics
© Les Cunliffe - Fotolia.com
Irregular English verbs: say, lay, pay
Most English learners are well aware of the pattern -ay/-aid of irregular English verbs. However, this is more the exception than the (...)
October 7, 2014 – Jakub MarianEnglish