Helicopter enthusiasts will tell you that rotorcraft are not only cooler than their fixed wing counterparts, but safer too! Test your knowledge of some of the world’s most famous models with these helicopter multiple choice questions...

Widely regarded as one of the greatest scientists in history, Albert Einstein has become synonymous with the word ‘genius’. Test your knowledge of the famous physicist with these multiple choice questions...

How many of the NATO phonetic alphabet’s twenty-six code words can you recognise in one minute? For each letter, simply select the correct word from the list..

For around half a century, Mars has been the subject of exploration by space scientists keen to understand its evolution and search for signs of life. Test your knowledge of our nearest neighbour with these multiple choice questions...