In old indian scriptures you can find interesting explanation about that subject:
"The two ears are situated on the northern side and the southern side. The ear on the southern side is very strong and is always anxious to hear about sense enjoyment. The ear on the northern side, however, is used for taking initiation from the spiritual master and for gaining promotion to the spiritual sky. The right ear, or the ear on the southern side, is called Pitåhü, which indicates that it is used for attaining the higher planetary systems known as Pitåloka, but the left ear, which is known as Devahü, is utilized for hearing about even higher planetary systems, such as Maharloka, Tapoloka and Brahmaloka—or yet even higher planets, situated in the spiritual universe, where one becomes more inclined to be permanently situated..."
It is explation of verse 51, chapter 25, 4 Canto of Bhagavata Purana.
Lol! I think that its funny the fact that manny newly discovers of scientists are not news to mny people.
Scientists use to make fun about paranormal stuff and old sayings but when discover something new in fact such thing its not new...
I am very hard of hearing in my right ear and had been this way since a child. My left ear does all the hearing and at times letters sound like another letter. Must be some truth to this. I truly enjoy and pay very close attention to the sweet sounding music and dislike rougher sounding music. Does reincarnation have any reason for my being hard of hearing?
Scientists in the United States have found that the right ear is better at picking up speech-like sounds and the left is more attuned to music, after studying the hearing of babies.
It has long been known that the right and left halves of the brain process sound differently. However, those differences have been thought to stem from cellular properties unique to each brain hemisphere. The new research suggests that the differences start at the ear...
http://www.abc.net.au/news/newsitems/200409/s1197602.htm