CLEVER BOFFINS of SCIENCE in UNIVERSITIES have done RESEARCH published in the journal SCIENCE to PROVE that firstborns are more intelligent than subsequent siblings, which I suppose is the only kind they have.
Are you getting this, guys? Did you hear that? IT'S BEEN PROVEN! CASE CLOSED! I WON!
Actually they don't read my blog. They think it's stupid.
(via Reuters).
(However SciAm has a different take.)