Giant iceberg blocks scientists' study of 'Doomsday Glacier'
By SETH BORENSTEIN Antarctica's so-called Doomsday Glacier, nicknamed because it is huge and coming apart, is mostly thwarting an international effort to figure out how dangerously…
By SETH BORENSTEIN Antarctica's so-called Doomsday Glacier, nicknamed because it is huge and coming apart, is mostly thwarting an international effort to figure out how dangerously…