Search funds, like what the Valley's VC ecosystem has become, are just another disgusting way for rich turds to help their undeserving, underqualified progeny jump the corporate queue and look like they earned it. If someone says he has a search fund, he's basically saying that he's rich and otherwise nonviable, so his Daddy got his friends to invest in his job search (and buy the company, so he becomes CEO). He's ad…
What empirical evidence is there that intelligence is "75% maternal"?
Here's one of the seminal papers on the topic, from 1996: http://jpepsy.oxfordjournals.org/content/23/3/197.full.pdf
What's unclear is whether it's genetic or related to other confounding factors (e.g. maternal health). We really don't even have a good grasp of what intelligence is or why these differences between individuals exist.