but maybe not in the future if dr. peggy find what she is looking for. relatively new discovery. tremor waves. >> well it turns out tremors happen at the edge of places where earthquake happen and if we faint out more about them, we mit find out more about how and when big earthquakes happe happen. >>reporter: compared with large earthquake the waves are delicate and faint about as strong as the impact of drop of world trade center falling on land. to hear them the scientist have dug 1,000 feat down to a quiet level where ultra sensitive microphones can listen without inference. >> would it sound like noise. would it sound like rumble rumble rumble or whisper whisper whisper. it could be like the wind in the trees but it's the ground rippling in the earth. >>reporter: learn to understand the willing and how they might turn into squiggle and maybe we could predict earthquake with the same certainty as weather. earthquake prediction matter especially here in the east bay along the hayward fault overdu overdue. locked and loaded. ready to spring a 7.0 quake any time in the next 50 y

but maybe not in the future if dr. peggy find what she is looking for. relatively new discovery. tremor waves. >> well it turns out tremors happen at the edge of places where earthquake happen and if we faint out more about them, we mit find out more about how and when big earthquakes happe happen. >>reporter: compared with large earthquake the waves are delicate and faint about as strong as the impact of drop of world trade center falling on land. to hear them the scientist have dug 1,000 feat down to a quiet level where ultra sensitive microphones can listen without inference. >> would it sound like noise. would it sound like rumble rumble rumble or whisper whisper whisper. it could be like the wind in the trees but it's the ground rippling in the earth. >>reporter: learn to understand the willing and how they might turn into squiggle and maybe we could predict earthquake with the same certainty as weather. earthquake prediction matter especially here in the east bay along the hayward fault overdu overdue. locked and loaded. ready to spring a 7.0 quake any time in the next 50 y

but maybe not in the future if dr. peggy find what she is looking for. relatively new discovery. tremor waves. >> well it turns out tremors happen at the edge of places where earthquake happen and if we faint out more about them, we mit find out out how and when big earthquakes happe happen. >>reporter: compared with large earthquake the waves are delicate and faint about as strong as the impact of drop of world trade center falling on land. to hear them the scientist have dug 1,000 feat down to a quiet level where ultra sensitive microphones can listen without inference. >> would it sound like noise. would it sound like rumble rumble rumble or whisper whisper whisper. it could be like the wind in the trees but it's the ground rippling in the earth. >>reporter: learn to understand the willing and how they might turn into squiggle and maybe we could predict earthquake with the same certainty as weather. earthquake prediction matter especially here in the east bay along the hayward faultoverdu overdue. locked and loaded. ready to spring a 7.0 quake any time in the next 50 years. bu

commissioner dr. peggy hamburg. she has a passion for food safety and food issues and an important newport folio and is here to talk more in detail about the proposed changes to the nutrition facts label. dr. hamburg. >> thank you so much, secretary sebelius. i'm delighted to be joining all of you for today's let's move announcement in which f.d.a.'s unveiling our proposed changes to a new and improved, more user friendly version of the nutrition facts label. before i walkthrough our proposed changes, i also want to join secretary sebelius and thank first lady michelle obama for her continued commitment to encourage americans to live healthier lifestyles and recognize the four-year anniversary of the let's move initiative. for 20 years we have relied on the now iconic nutrition facts label to help us make informed food choices on what to eat. when it was first introduced this landmark label provided the american consumer for the first time with the uniform information about the nutritional content of the foods. since

dr. jill gora: every child deserves a fair chance at life. >> peggy stillman: it may only take an hour too something that will change their lives forever. >> noreen kessler: and you just see a whole new person, a whole new beginning. it's almost like they're reborn. i can't think of another word but phenomenal. [ music ] >> roma downey: hello, i'm roma downey. about thirteen years ago when i was filming "touched by an angel," we did a story about an organization called operation smile. i saw children who had been born with facial deformities. the doctors and nurses, all volunteers,