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Study examined the medical records of 648 Alzheimer's patients in Hyderabad and found that bilinguals developed dementia four to five years later than monolinguals. 

Linguist David Crystal opines that one of the oldest forms of punctuation may be dying. The period - the full-stop signal we all learn as children, whose use stretches back at least to the Middle Ages - is gradually being felled in the barrage of instant messaging that has become synonymous with the digital age. The conspicuous omission of the period in text messages and in instant messaging on social media, Crystal says, is a product of the punctuation-free staccato sentences favored by millennials - and increasingly their elders - a trend fueled by the freewheeling style of Facebook, WhatsApp and Twitter.

LONDON - One of the oldest forms of punctuation may be dying The period - the full-stop signal we all learn as children, whose use stretches back at least to the Middle Ages - is gradually being felled in the barrage of instant messaging that has become synonymous with the

Language is something that is acquired by social interaction as well as the nature factor instilled within us since birth. A study done shows that a group of deaf Nicaraguan people have been able to develop a language of their own. This language of theirs in constantly changing and being added to. The study looks into whether this chance stems from the newer generation or the elders. They found that newer generations are responsible for the constant change and addition to their special language. (Open PDF to see full study)

If you're looking for the species that most closely matches our linguistic prowess, surprisingly, you won't find it in the apes, the primates, or even in the mammals. You have to travel to a far more distant relative, all the way to a family of birds known as the songbirds. The vocal life of a songbird is similar to ours in many ways. They learn songs by imitating their elders. Like human speech, these songs are passed down from one generation to the next. Songbirds are also best equipped to learn songs in their youth, and they have to practice to develop their ability. They can improvise and string together riffs into new songs, and over generations these modified songs can turn into new dialects. And like us, they come hard-wired with 'speech-centers' in their brain that are dedicated to language processing. An experiment from 2009 by Fehér and colleagues took newly hatched songbirds of the zebra finch species and raised them in sound proof chambers. They did this during their critical period of language development. Surprisingly, this culturally isolated generation of birds began to develop their own songs. These songs were less musical than your typical songbird song - they had irregular rhythms, they would stutter their notes, and the notes would sound more noisy. But the researchers were curious where this would lead. They listened to the songs of the next few generations of pupils, the offspring of these children of silence. What they found was quite amazing. In just two generations, the songs started to change in unexpected ways - they were becoming more musical. In fact, they started to converge upon the song of the wild songbirds, even though none of these birds had ever heard the wild songs. The Feher study suggests, but does not prove, that songbirds must have an innate understanding of the structures of their language. In other words, they seem to have a built-in intuition about grammar. Over time, they may be using these intuitions to develo