And the bad thing is, that it's in general not the cleverest set of people that make extra kids to get a higher income. Overall, the more educated people are, the smaller their families are. So this will effectively reverse everything that Darwin claimed: no survival of the fittest, but victory by the 'stupid' by overpowering the educated...

Edit: yes, I do, but I am unsure if it will stand the test of Hacker News readers :)

https://www.jstor.org/stable/2172480?seq=1#page_scan_tab_con... http://www.iqtestexperts.com/iq-family.php