Categories Funfact 25% of Labradors have a genetic mutation that means they never feel full. ? Post author By admin Post date July 14, 2020 25% of Labradors have. Genetic mutation that men’s they never feel full. ? ← The human record for bricklaying is 915 per hour and was set back in 1987 by American bricklayer Bob Boil. The robot bricklaying record is currently 200 (as of 2020) and was set by Hadrian X in Australia. → Subatomic particles (such as electrons) don’t have a colour.