Love is in the air

Poets, artists and musicians were becoming interested in why people fell in love

Scientists were beginning to investigate love

The importance of smell in human relationships was understood

The scientific community was studying the importance of music in human relationships

From the same social class

With a different level of education

With similar beliefs

Educated to the same level

They would be able to provide certain information

Animals are unable to smell MHC genes

Animals don't have MHC genes

MHC genes are important for our immune systems

Couldn't use soap

All had the same type of MHC genes

Slept in their tops

Couldn't change clothes during the week

Scientists believe that humans detect MHC genes similar to their own in smells that they like

Scientific experiments have been done at a club in Los Angeles

Other scientists have done more work on the subject

Other scientists have questioned his findings