Vincent van Gogh View of Arles with Irises painting

Vincent van Gogh View of Arles with Irises paintingVincent van Gogh The Old Mill paintingVincent van Gogh Still Life with Absinthe paintingVincent van Gogh Girl in White painting
She said: 'We took two characteristics that seemed, on the surface, unlikely to be associated with each other - intelligence and sperm quality - and tested whether there was a statistical between them.
'We found a small positi: brighter men had better sperm.
'This association wasn't caused by habits like avoiding smoking or drinking - the big
The finding feeds into recent research showing intelligence is linked to many aspects
While it could be argued that brainy folks lead lives, Miss Arden believes IQ is an outward sign of good genes.
the genes involved in intelligence also have many other functions in the body, brainy people could expect to be fitter and more fertile.
Similarly, flaws that impair intelligence could and the ability to become a parent.
Miss Arden said: 'We were interested in testing the idea that if most of our genes act on many characteristics (not one gene, one trait), there might be a weak but across all of our characteristics - from nose to toes.
'This set of weak would give rise to a "fitness factor" in evolutionary terms.