They know it was "art" because they also found a leather place card next to it saying "the pictogram etched on bone reflects mans never ending strife to be the hunter and not the food".
You can buy cartons of ONLY double yolks. It's easy to see when you candle them, and most young chickens lay them way more often then 1/1000 in jumbo sized eggs, so much so that the egg factories can make them a special item (most just toss them away).
Bwahahahahahahahahahahahahaha.
The human race is doomed.
Actions, not whining or stupid little diatribes is what earns respect.
Whining just proves you can't run with the boys.
Oh how last century that is.
All he/she/it has to do is look a few inches below their bellybutton and they KNOW what gender they are - so how exactly are they "genderless"?