This may be evolution's way of ensuring more constant care for a baby that is more dependent and demanding than any other newborn in the animal kingdom.
这可能是进化的手段，以确保动物王国那些比其他新生儿更具依赖性，需求更多的婴儿能得到更长久的照顾。
2
After all, outside of sappy Disney movies involving comically deformed elephants, what other animal parent takes the time to give each of its newborn members its own permanent moniker?
Using an animal model, the researchers found less division and differentiation of the neural stem cells of a newborn with low birth weight as compared to normal birth weight.