Half nipple rule
Learned something new on Fringe tonight. Mammals generally give birth to offsprings no more than what's equivalent to 1/2 the # of nipples, with a maximum of what's equivalent to the # of nipples. Humans, for example, have 2, and generally give birth to 1 offspring at a time, with twins as the maximum in general cases. Pretty interesting random fact, eh?
P.S. Found a 1999 article from New York Times about the half nipple rule and why scientists think the naked mole rat defies the rule.
(Photo by lemaimone)
Comments
1) Calves drink a lot and are horrible at sharing
2) Cows are very conservative animals
3) Cow evolved over time to compensate for being milked by humans