Bonobos are much more likely than common chimpanzees to share their food, a study suggests. But researchers who study sharing say human kids are more helpful and cooperative than either species.
Unlike other primates, human toddlers watching a competition don't appreciate victors who shove rivals out of the way. Even little kids prefer high-status characters who aren't bullies.
Early findings on infants born with neonatal abstinence syndrome are reassuring, and doctors are optimistic that normal development can continue. Making sure parents are treated for addiction is key.
Despite government policies designed to encourage health coverage for these children, many families are thwarted by confusing rules and regulations, advocacy groups say.
Babies may show greater empathy toward adults who overtly show sadness, a study suggests, but the little ones also recognize sadness in people who keep a stiff upper lip.
