By applying social network analysis — the mathematical theory behind Facebook that explains how different individuals are connected — Rushmore found that high - ranking mothers and their juveniles (as well as high - ranking males) were most likely to transmit diseases to
other chimps because everyone in the community wants to be with them.
Not exact matches
Story number 2: Contagious yawning, where you yawn
because you see your friend yawn can only occur in humans and
other primates such as
chimps.
The book's title, incidentally, draws on bonobos
because they are more likely than
chimps to behave morally, to have concern for each
other, to value harmony and so on.
Because the skull bore the distinctive sagittal crest of gorillas but otherwise had
chimp - like dimensions, some primatologists suggested it represented a new subspecies of gorilla, while
others believed it to be a
chimp - gorilla hybrid.
Because bonobos are more tolerant of each
other and more willing to share, they're able to cooperate more effectively than
chimps in some situations, the researchers conclude.
That's
because compared with
other primates, humans give birth to babies with larger bodies and brains — on average, human babies are 6.1 % of their mother's body size compared with
chimp babies (3.3 %) and gorilla babies (2.7 %).
This is
because, unlike most
other primate species,
chimps live in patrilineal communities, in which the males of a community stick together and the females move on to
other groups.