Robin Dunbar
The term "Dunbar's Number" refers to a particular hypothesis by primatologist Robin Dunbar. It is a very simple idea with rather complex implications, and it is one of those simple ideas that gets more complicated than ideal as we look into it more and more. Eventually, the idea is required by many who contemplate it to do more work than was ever intended, and in this way seems to fail, though it really doesn't. I personally think Dunbar's number is useful if it is properly understood, so I want you to give it a chance, and to help you do that I'd like to use an analogy.
I'm thinking of a…
Primate sociality is linked to brain networks for pair bonds.
Social conservatives are fond of linking morality with monogamy and will be quick to condemn the moral crimes of adulterous felatio while ignoring the moral crimes of cutting social programs for poor mothers. However, in a bizarre twist, research suggests that morality and monogamy are closely intertwined, though it's doubtful many conservatives will champion the reasons why.
In the journal Science Robin Dunbar revisits the question with a unique perspective as to why some species (including humans) succeed so well as members of…
"Primates on Facebook" -- "Even online, the neocortex is the limit" to how many people we can really have as friends.
People who use more textual shortcuts (lk whn they txt in skl) when texting have higher reading skills. The coverage seems to assume this is causal, but it's almost surely just an association -- people with good reading skills more quickly come up with or absorb textual shortcuts.
Does "pay for performance" work in learning? For a bit, then not. "A number of the kids who received tokens didn't even return to reading at all," Dr. Marinak said. From the Times.
Babies can…