BARBARA KLEIN: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. BOB DOUGHTY: And I'm Bob…
BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. SHIRLEY GRIFFITH: And I'm Shirley…
SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Shirley Griffith. CHRISTOPHER CRUISE: And I'm Christopher…
BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. STEVE EMBER: And I'm Steve…
BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. MARIO RITTER: And I'm Mario…
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Faith Lapidus. CHRISTOPHER CRUISE: And I'm Christopher…
JUNE SIMMS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm June Simms. FAITH LAPIDUS: And I'm Faith…
CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Christopher Cruise. JUNE SIMMS: And I'm June…
CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Christopher Cruise. BARBARA KLEIN: And I'm Barbara…
BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. BARBARA KLEIN: And I'm Barbara…
JUNE SIMMS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm June Simms. SHIRLEY GRIFFITH: And I'm Shirley…
BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. BOB DOUGHTY: And I'm Bob…
MARIO RITTER: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Mario Ritter. SHIRLEY GRIFFITH: And I'm Shirley…
BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. MARIO RITTER: And I'm Mario…
BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. BOB DOUGHTY: And I'm Bob…