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Essay/study by Deborah Tannen: "So the key to why having sisters makes people happier - men as well as women - may lie not in the kind of talk they exchange but in the fact of talk. If men, like women, talk more often to their sisters than to their brothers, that could explain why sisters make them happier." See also discussion on Language Log: http://languagelog.ldc.upenn.edu/nll/?p=2739 (they advise us to be wary of overstating the significance of the results)

Although many people are wary of how much people actually learn from television and screentime, many people are able to learn different languages through the use of TV and shows. The Nistel sisters were able to become proficient in Spanish and English from watching TV shows every day after school. They claim that they never paid attention in English class and did not mention about ever taking Spanish lessons.

Science writer Virginia Morell, in her wonderful new book Animal Wise, describes an experiment involving horses and whinnies - whinnies being very like names. She also cites the research of ornithologist Karl Berg, who states that while most people might think, 'Well, all those [bird] calls are just noise, but I think they're having conversations." Berg has listened to so many parrots in so many nests for so long, he has been able to identify that weeks after birth, these little birds begin to use very specific peeps to identify themselves to others. Not only that, they learn the peeping "names" of their parents, brothers, sisters, and use them in conversation, as in, "Peep-duh-dee-Peep, is that you?" Apparently, dolphins also use particular clicks and whistles to designate particular individuals.

Since his birth 33 years ago, Jonathan Keleher has been living without a cerebellum, a structure that usually contains about half the brain's neurons. Besides playing a vital role in balance and fine motor control, the cerebellum is also actively involved in higher functions, like using language, reading maps and planning. Emotional complexity is a challenge for Jonathan, says his sister, Sarah Napoline. She says her brother is a great listener, but isn't introspective. "He doesn't really get into this deeper level of conversation that builds strong relationships, things that would be the foundation for a romantic relationship or deep enduring friendships," she says. Jonathan also needed to be taught a lot of things that people with a cerebellum learn automatically, Sarah says: how to speak clearly, how to behave in social situations and how to show emotion. Yet Jonathan is now able to do all of those things. He's done it by training other areas of his brain to do the jobs usually done by the cerebellum.