What's happening?

People often say that opposites attract - meaning, the more differences you have with someone, the more likely you are to fall in love with them.

But now scientists in the USAThe United States of America is a country in North America. It has a population of 329 million. say this is not true.

A team of scientists at a university in ColoradoA state in the west of the US that contains much of the Rocky Mountains. studied 133 traitsA person's characteristics or qualities. in nearly 80,000 couples. They found that for over 80% of the traits, partners were likely to be similar.

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The most common ones were age, beliefs, intelligence and level of education. Couples also might have the same hair colour or both wear glasses.

But some things were not likely to be shared - such as hearing difficulties!

Yes! Love is all about science. When people fall in love, chemical reactions are happening in their body. And science can tell us who you might fall in love with.

No! Some things cannot be explained by science. Even two people who are very similar might not get along!