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The length of a strand of human DNA is much longer than you’d think! In fact if it was laid out in a straight line it would be several metres in length. The size of a nucleus is approximately 6 micrometers i...

Essay writing, for coursework but especially for exams, can seem stressful, but there are some simple steps to writing good essay answers every time. Here are some of my top tips: 1. Always start with a plan...

Arabic verbs change according to pronouns a lot more than English verbs, but luckily they tend to follow regular patterns, so they are not too hard to learn. Here is a simple model to follow using the presen...

The subjunctive is hard even for native speakers, so don't worry! There are a few handy rules to remember. Use the subjunctive in Spanish: 1. If the action you are describing did not actually happen: "S...

Manquer is a regular -er verb which means 'to miss' someone. It is a reflexive verb, which means a pronoun (me, te, le, la, nous, vous, les) must be used before the verb. Unusually, the pronoun in this case ...