Caliptrix,   these things I appreciate knowing..

 My attempt:

"Men of Science, Switzerland - France on the frontier CERN laboratory, 15 billion daunted (think this should be yildiz-stars) 15 billion stars those that live in this universes formation upon which all seeking is being done.  This investigation at the end of the year is concluded in a scholarly way.  "

Hey Genç, This is why I didn´t want to attempt this request.   The original request had that quality of effecting people positively or negatively you didn´t cause that part. for the other message offering three different endings was very "careful" of you.

 My attempt:

"Sunday  in the caste he/she/it or you are coming." geliyon has to be either geliyorsin or geliyor

 I am a student and not a natıve speaker.  I think this will be understood.

"İyiki doğdun sana

Hep özlemini varacak umarım(word order and suffix not totally sure about)

Hep Sevgilerim"

 In thıs case my fırst understandıng was correct.  But your confırmatıon ıs always appreciated.

 I say you pass!  I edited the quote with my assumptions(but Seker did it faster)

 This is my attempt.  I am a student not a native speaker.

"Turned toward the past with (my wishs) rather than to live,   turned to the future possibilities of life I prefer."

I think this is the "flavor" of it.

My attempt.   Its melancholy.  Its something like. (I am sure about the mood, translation may be is imperfect)

"Istanbul are you alive for me or dead.

If saying what is alive with you.

Passion alienation (loneliness)?

Vague feelings inside writhe about.

Your pain in my back doesn´t quit.

From empty and lonely streets for my part

To long for or be longed for is also empty.

From now on I am empty for my part."

 THis is my attempt.  (Never Mind use Marions, I will leave the translation for a while so I can compare)

" Kimim bildiğin düşünüyorum ve kimseyi istediğim söylemek biliyorsin.  Önemli haberim var

belki de benim için  sen bir mesaji geçebilir misiniz?