Ever feel like everyone around you has their brain running much faster than your own? Well, the good news is that it may not be you, it may be your genes. The other good news, we might be able to change that. Scientists from Imperial College London have identified for the first time two clusters of genes linked to human intelligence. Called M1 and M3, these so-called gene networks appear to influence cognitive function – which includes memory, attention, processing speed and reasoning.