-lrb- rolling stone -rrb- -- in its first season , `` glee '' featured some weirdly eclectic song choices : remember `` thong song '' and `` sweet caroline '' in the `` mash-up '' episode ? but in the season-two premiere on september 21 , the show will outdo itself . rolling stone has learned that the first episode will feature renditions of jay-z 's `` empire state of mind , '' lady gaga 's `` telephone , '' travie mccoy 's `` billionaire , '' and poison 's `` every rose has its thorn . '' in true gleek fashion , the cast will also perform two vintage broadway musical standards -- `` what i did for love '' from a chorus line and `` getting to know you '' from the king and i -- as well as `` listen '' from the film version of `` dreamgirls . '' according to the series ' music supervisor , p.j. bloom , the episode 's plot paved the way for the jay-z track : having placed at the regional competition in last season 's finale , new directions will travel to new york for the nationals . `` so we needed a new york song , '' explains bloom . he also says that the use of a second gaga song -- after `` bad romance '' in the previous season -- is all due to co-creator ryan murphy . `` ryan 's a huge lady gaga fan , '' bloom says . `` i suspect we 're going to continue to look to her to be part of the show . '' the following week will see the premiere of the show 's all-britney spears episode , which will include performances of five spears songs -- although for now , no one 's saying which ones . bloom is also promising an `` additional recording '' for the episode , but is mum on details . -lrb- we 're already picturing spears and matthew morrison doing a britney-and-justin-style duet , but maybe that 's just us . -rrb- . in other `` glee '' music news : another soundtrack album could arrive as early as october , and morrison is wrapping up his solo debut , due on mercury records early in 2011 . -lrb- cnn -rrb- ever had a headache so big , you felt like drilling a hole in your head to let the pain out ? in neolithic times trepanation -- or drilling a hole into the skull -- was thought to be a cure for everything from epilepsy to migraines . it could even have been a form of emergency surgery for battle wounds . but while there is still conjecture about the real reasons behind the mysterious procedure , what is known is that the implement often used to carry out the primitive surgery was made from one of the sharpest substances found in nature -- obsidian . obsidian -- a type of volcanic glass -- can produce cutting edges many times finer than even the best steel scalpels . at 30 angstroms -- a unit of measurement equal to one hundred millionth of a centimeter -- an obsidian scalpel can rival diamond in the fineness of its edge . when you consider that most household razor blades are 300-600 angstroms , obsidian can still cut it with the sharpest materials nano-technology can produce . even today , a small number of surgeons are using an ancient technology to carry out fine incisions that they say heal with minimal scarring . dr. lee green , professor and chair of the department of family medicine at the university of alberta , says he routinely uses obsidian blades . `` the biggest advantage with obsidian is that it is the sharpest edge there is , it causes very little trauma to tissue , it heals faster and more importantly it heals with less scarring , '' he said . `` it makes for the best cosmetic outcome . '' he explained that steel scalpels at a microscopic level have a rough cutting edge that tears into tissue , a function of the crystals that make up the metal . obsidian , meanwhile , cleaves into a fine and continuous edge when properly cut . dr. green said he once helped documentary makers produce a program on surgical technology in ancient egyptian , setting up a blind test on the cutting power of obsidian . using cultured-skin burn dressing , a substance composed of skin cells , he made an incision with a modern scalpel and a parallel incision with an obsidian scalpel . the host of the program was then invited to look at the cuts under a video microscope and tell the difference . `` it was n't hard to tell the difference at all -- as soon as he turned around everyone in the studio was like ` ohhh ' , '' dr. green said . `` under the microscope you could see the obsidian scalpel had divided individual cells in half , and next to it the steel scalpel incision looked like it had been made by a chainsaw . '' modern obsidian scalpels look nothing like the decorative flint-knapped knives of neolithic man , often resembling their modern counterparts in everything except for the blade edge , but dr. green said they are a very different animal . `` the feel is very different because obsidian has no ` bite , ' '' he said . `` if you look under the microscope at a steel scalpel edge it looks almost like a saw , it has teeth , whereas obsidian is smooth even microscopically . `` it 's a very different feel to work with and you have to practice before you start using it in surgery . `` you also have to be careful not to nick yourself with it because you do n't even feel it ! '' and dr. green believes incisions made with these blades heal faster . he said a colleague who needed a mole removed agreed to undergo an experiment where half the procedure was carried out with an obsidian scalpel and the other half was removed with steel . `` what 's really fun is seeing it heal , '' he said . `` four weeks later the difference was quite remarkable -- there was very much a difference in scarring . '' copyright © 2010 rolling stone . in germany , the manufacturer fine science tools produces obsidian scalpels which can be used in situations where the patient may have an allergy to steel or metal . `` for studies where trace metals from ordinary scalpel blades can not be tolerated , these very special obsidian scalpels may provide the answer , '' the company says . at $ 99 per scalpel -lrb- $ 107.40 -rrb- , they represent a considerable saving on their diamond cousins which the company prices at $ 712.50 -lrb- $ 772.60 -rrb- . but there has been little academic research into the efficacy of obsidian blades compared to steel scalpels , and they do have disadvantages : obsidian scalpels are not food and drug administration -lrb- fda -rrb- approved , and they are extremely brittle and prone to breaking if lateral forces are applied -- meaning they are unlikely to ever be in widespread use . dr. green , whose scalpels were manufactured for him by an expert flint-knapper and archaeologist errett callahan , concedes the stone age scalpels are not for everyone . `` if it was let loose on the market there 'd be far too many injuries from it , '' he said . `` it 's very fragile and it 's very easy to break pieces off . ''
the first `` glee '' episode will feature renditions of `` empire state of mind '' and `` telephone '' the following week will see the premiere of the show 's all-britney spears episode . travie mccoy 's `` billionaire '' will also be featured .
-lrb- rolling stone -rrb- -- in its first season , `` glee '' featured some weirdly eclectic song choices : remember `` thong song '' and `` sweet caroline '' in the `` mash-up '' episode ? but in the season-two premiere on september 21 , the show will outdo itself . rolling stone has learned that the first episode will feature renditions of jay-z 's `` empire state of mind , '' lady gaga 's `` telephone , '' travie mccoy 's `` billionaire , '' and poison 's `` every rose has its thorn . '' in true gleek fashion , the cast will also perform two vintage broadway musical standards -- `` what i did for love '' from a chorus line and `` getting to know you '' from the king and i -- as well as `` listen '' from the film version of `` dreamgirls . '' according to the series ' music supervisor , p.j. bloom , the episode 's plot paved the way for the jay-z track : having placed at the regional competition in last season 's finale , new directions will travel to new york for the nationals . `` so we needed a new york song , '' explains bloom . he also says that the use of a second gaga song -- after `` bad romance '' in the previous season -- is all due to co-creator ryan murphy . `` ryan 's a huge lady gaga fan , '' bloom says . `` i suspect we 're going to continue to look to her to be part of the show . '' the following week will see the premiere of the show 's all-britney spears episode , which will include performances of five spears songs -- although for now , no one 's saying which ones . bloom is also promising an `` additional recording '' for the episode , but is mum on details . -lrb- we 're already picturing spears and matthew morrison doing a britney-and-justin-style duet , but maybe that 's just us . -rrb- . in other `` glee '' music news : another soundtrack album could arrive as early as october , and morrison is wrapping up his solo debut , due on mercury records early in 2011 . -lrb- cnn -rrb- ever had a headache so big , you felt like drilling a hole in your head to let the pain out ? in neolithic times trepanation -- or drilling a hole into the skull -- was thought to be a cure for everything from epilepsy to migraines . it could even have been a form of emergency surgery for battle wounds . but while there is still conjecture about the real reasons behind the mysterious procedure , what is known is that the implement often used to carry out the primitive surgery was made from one of the sharpest substances found in nature -- obsidian . obsidian -- a type of volcanic glass -- can produce cutting edges many times finer than undergo an experiment where half the procedure was carried out with an obsidian scalpel and the other half was removed with steel . `` what 's really fun is seeing it heal , '' he said . `` four weeks later the difference was quite remarkable -- there was very much a difference in scarring . '' copyright © 2010 rolling stone . in germany , the manufacturer fine science tools produces obsidian scalpels which can be used in situations where the patient may have an allergy to steel or metal . `` for studies where trace metals from ordinary scalpel blades can not be tolerated , these very special obsidian scalpels may provide the answer , '' the company says . at $ 99 per scalpel -lrb- $ 107.40 -rrb- , they represent a considerable saving on their diamond cousins which the company prices at $ 712.50 -lrb- $ 772.60 -rrb- . but there has been little academic research into the efficacy of obsidian blades compared to steel scalpels , and they do have disadvantages : obsidian scalpels are not food and drug administration -lrb- fda -rrb- approved , and they are extremely brittle and prone to breaking if lateral forces are applied -- meaning they are unlikely to ever be in widespread use . dr. green , whose scalpels were manufactured for him by an expert flint-knapper and archaeologist errett callahan , concedes the stone age scalpels are not for everyone . `` if it was let loose on the market there 'd be far too many injuries from it , '' he said . `` it 's very fragile and it 's very easy to break pieces off . ''
-lrb- rolling stone -rrb- -- in its first season , `` glee '' featured some weirdly eclectic song choices : remember `` thong song '' and `` sweet caroline '' in the `` mash-up '' episode ? but in the season-two premiere on september 21 , the show will outdo itself . rolling stone has learned that the first episode will feature renditions of jay-z 's `` empire state of mind , '' lady gaga 's `` telephone , '' travie mccoy 's `` billionaire , '' and poison 's `` every rose has its thorn . '' in true gleek fashion , the cast will also perform two vintage broadway musical standards -- `` what i did for love '' from a chorus line and `` getting to know you '' from the king and i -- as well as `` listen '' from the film version of `` dreamgirls . '' according to the series ' music supervisor , p.j. bloom , the episode 's plot paved the way for the jay-z track : having placed at the regional competition in last season 's finale , new directions will travel to new york for the nationals . `` so we needed a new york song , '' explains bloom . he also says that the use of a second gaga song -- after `` bad romance '' in the previous season -- is all due to co-creator ryan murphy . `` ryan 's a huge lady gaga fan , '' bloom says . `` i suspect we 're going to continue to look to her to be part of the show . '' the following week will see the premiere of the show 's all-britney spears episode , which will include performances of five spears songs -- although for now , no one 's saying which ones . bloom is also promising an `` additional recording '' for the episode , but is mum on details . -lrb- we 're already picturing spears and matthew morrison doing a britney-and-justin-style duet , but maybe that 's just us . -rrb- . in other `` glee '' music news : another soundtrack album could arrive as early as october , and morrison is wrapping up his solo debut , due on mercury records early in 2011 . -lrb- cnn -rrb- ever had a headache so big , you felt like drilling a hole in your head to let the pain out ? in neolithic times trepanation -- or drilling a hole into the skull -- was thought to be a cure for everything from epilepsy to migraines . it could even have been a form of emergency surgery for battle wounds . but while there is still conjecture about the real reasons behind the mysterious procedure , what is known is that the implement often used to carry out the primitive surgery was made from one of the sharpest substances found in nature -- obsidian . obsidian -- a type of volcanic glass -- can produce cutting edges many times finer than modern scalpel and a parallel incision with an obsidian scalpel . the host of the program was then invited to look at the cuts under a video microscope and tell the difference . `` it was n't hard to tell the difference at all -- as soon as he turned around everyone in the studio was like ` ohhh ' , '' dr. green said . `` under the microscope you could see the obsidian scalpel had divided individual cells in half , and next to it the steel scalpel incision looked like it had been made by a chainsaw . '' modern obsidian scalpels look nothing like the decorative flint-knapped knives of neolithic man , often resembling their modern counterparts in everything except for the blade edge , but dr. green said they are a very different animal . `` the feel is very different because obsidian has no ` bite , ' '' he said . `` if you look under the microscope at a steel scalpel edge it looks almost like a saw , it has teeth , whereas obsidian is smooth even microscopically . `` it 's a very different feel to work with and you have to practice before you start using it in surgery . `` you also have to be careful not to nick yourself with it because you do n't even feel it ! '' and dr. green believes incisions made with these blades heal faster . he said a colleague who needed a mole removed agreed to undergo an experiment where half the procedure was carried out with an obsidian scalpel and the other half was removed with steel . `` what 's really fun is seeing it heal , '' he said . `` four weeks later the difference was quite remarkable -- there was very much a difference in scarring . '' copyright © 2010 rolling stone . in germany , the manufacturer fine science tools produces obsidian scalpels which can be used in situations where the patient may have an allergy to steel or metal . `` for studies where trace metals from ordinary scalpel blades can not be tolerated , these very special obsidian scalpels may provide the answer , '' the company says . at $ 99 per scalpel -lrb- far too many injuries from it , '' he said . `` it 's very fragile and it 's very easy to break pieces off . ''
-lrb- rolling stone -- in its first season, `` glee '' featured some weirdly eclectic song choices : remember `` thong song `` sweet caroline in but in the season-two premiere on september 21, outdo. rolling stone has learned the first episode will renditions jay-z 's `` empire state mind, '' lady gaga 's `` telephone, '' travie mccoy 's `` billionaire, poison 's `` every rose has its thorn. '' in true gleek fashion, the cast will also perform two vintage broadway musical standards -- what i did love '' from a chorus line getting to the king and i -- listen '' the film version dreamgirls. '' according the series ' music supervisor, p.j. bloom the episode 's plot paved the jay-z track : having placed at the regional competition last season 's finale new directions will travel new york for the nationals `` so we needed a new york song, '' explains bloom. he also says the use a second gaga song -- after `` bad romance '' all due co-creator ryan murphy. `` ryan 's a huge lady gaga fan, '' bloom says. `` i suspect we 're continue look to her be part the show. '' the following week will see the premiere the show 's all-britney spears episode, include performances five spears songs -- although for, 's saying bloom is also promising an `` additional recording '' the episode, is mum -lrb- we 're already picturing spears matthew morrison doing a britney-and-justin-style duet, maybe us. -rrb-. in other `` glee '' music news : another soundtrack album could arrive as october, morrison wrapping, due on mercury records early 2011 -lrb- cnn ever had a headache so big, you felt drilling to let? in neolithic times trepanation -- or drilling the skull thought a cure everything epilepsy. it could even a form emergency surgery battle wounds. but while there conjecture the real reasons the mysterious procedure, what the implement often used carry the primitive surgery one the sharpest substances -- obsidian obsidian -- a type volcanic glass produce cutting edges many finer even the best steel scalpels. at 30 angstroms -- a unit equal an obsidian scalpel can rival diamond the fineness its edge. when consider most household razor blades 300-600 angstroms, obsidian can still cut it the sharpest materials nano-technology even today, a small number surgeons an ancient technology carry fine incisions they heal with dr lee green, professor and chair family medicine alberta says he routinely uses obsidian blades. `` the biggest advantage with obsidian the sharpest edge there, causes very little trauma tissue heals faster more importantly heals '' he. `` it makes for the best cosmetic outcome. '' he explained that steel scalpels at a microscopic level have a rough cutting edge tears tissue, a function the crystals. obsidian, meanwhile, cleaves into a fine and continuous edge when properly cut. dr green said he once helped documentary makers produce a program surgical technology ancient egyptian, setting a blind test the cutting power obsidian. using cultured-skin burn dressing, a substance composed skin cells he made with a modern scalpel a parallel incision the host the program was then invited look the cuts under a video microscope tell the difference. `` it n't hard tell at -- as turned everyone ohhh ', '' dr green said. `` under the microscope you could the obsidian scalpel had divided individual cells, next the steel scalpel incision looked. '' modern obsidian scalpels look nothing the decorative flint-knapped knives neolithic man, often resembling everything except the blade edge, dr. green said they a very different animal. `` the feel because obsidian no ` bite, ' '' he. `` if look under at a steel scalpel edge almost a saw, teeth whereas obsidian smooth even microscopically `` it 's a very different feel work and you practice before using in surgery. `` you also nick yourself with it do n't even feel! '' and dr green believes incisions made these blades heal faster. he said a colleague needed a mole removed agreed undergo an experiment where half the procedure carried an obsidian scalpel removed steel. `` what 's really fun seeing heal, ''. `` four weeks the difference quite remarkable -- there very much scarring. '' copyright © 2010 rolling stone. in germany, the manufacturer fine science tools produces obsidian scalpels situations steel. `` for studies where trace metals from ordinary scalpel blades not tolerated, these very special obsidian scalpels may the answer, '' the company. at $ 99 per scalpel -lrb- $ 107.40 -rrb-, they represent a considerable saving their diamond cousins which the company prices 712.50 but there has little academic research obsidian blades compared steel scalpels, they disadvantages : food and drug administration -lrb- fda -rrb- approved, extremely brittle breaking if lateral forces -- meaning unlikely ever in widespread use dr green, whose scalpels manufactured him an expert flint-knapper and archaeologist errett callahan concedes the stone age scalpels for `` if let loose the market there 'd far too many injuries from, ''. `` it 's very fragile easy pieces. ''
-lrb- rolling stone -rrb- -- in its first season , `` glee '' featured some weirdly eclectic song choices : remember `` thong song '' and `` sweet caroline '' in the `` mash-up '' episode ? but in the season-two premiere on september 21 , the show will outdo itself . rolling stone has learned that the first episode will feature renditions of jay-z 's `` empire state of mind , '' lady gaga 's `` telephone , '' travie mccoy 's `` billionaire , '' and poison 's `` every rose has its thorn . '' in true gleek fashion , the cast will also perform two vintage broadway musical standards -- `` what i did for love '' from a chorus line and `` getting to know you '' from the king and i -- as well as `` listen '' from the film version of `` dreamgirls . '' according to the series ' music supervisor , p.j. bloom , the episode 's plot paved the way for the jay-z track : having placed at the regional competition in last season 's finale , new directions will travel to new york for the nationals . `` so we needed a new york song , '' explains bloom . he also says that the use of a second gaga song -- after `` bad romance '' in the previous season -- is all due to co-creator ryan murphy . `` ryan 's a huge lady gaga fan , '' bloom says . `` i suspect we 're going to continue to look to her to be part of the show . '' the following week will see the premiere of the show 's all-britney spears episode , which will include performances of five spears songs -- although for now , no one 's saying which ones . bloom is also promising an `` additional recording '' for the episode , but is mum on details . -lrb- we 're already picturing spears and matthew morrison doing a britney-and-justin-style duet , but maybe that 's just us . -rrb- . in other `` glee '' music news : another soundtrack album could arrive as early as october , and morrison is wrapping up his solo debut , due on mercury records early in 2011 . -lrb- cnn -rrb- ever had a headache so big , you felt like drilling a hole in your head to let the pain out ? in neolithic times trepanation -- or drilling a hole into the skull -- was thought to be a cure for everything from epilepsy to migraines . it could even have been a form of emergency surgery for battle wounds . but while there is still conjecture about the real reasons behind the mysterious procedure , what is known is that the implement often used to carry out the primitive surgery was made from one of the sharpest substances found in nature -- obsidian . obsidian -- a type of volcanic glass -- can produce cutting edges many times finer than far too many injuries from it , '' he said . `` it 's very fragile and it 's very easy to break pieces off . ''
 The text discusses the entertainment value of Rolling Stone's first season, highlighting its eclectic song choices and vintage Broadway musical standards. It also mentions the show's cast, including Lady Gaga, Michael Murphy, and Matt Bomer, who will perform two vintage Broadway musical numbers. Additionally, the article touches on the show's themes, such as love, identity, and self-discovery, which are woven throughout the season.