Our IQ does not stay the same throughout our lives. Although genetic factors are present in intelligence levels, other factors such as education, experience, leisure activities or work, influence our overall intelligence levels as we age.

A medical distinction is made between seven different visual impairments, each of which affects the perception of the colours green, red and blue. The presence of true blindness or a mere perceptual weakness also plays a role in the diagnosis.

If you want a way to overcome your neuroticism, try falling in love! Falling in love helps to stabilize the personalities of people who are neurotic. Love has been said to calm people down too, making them more grounded in their daily lives.

Ireland was the first country to legalize same-sex marriage through popular referendum. The motion was passed with a mighty 62% of the public vote.