John Sedat News Today

The Nobel Prize in Physiology or Medicine 2009 was awarded jointly to Elizabeth H. Blackburn, Carol W. Greider and Jack W. Szostak "for the discovery of how chromosomes are protected by telomeres and the enzyme telomerase"

reports on the growing concernç over the use of full-body scanners at airports across the country. >> it uses x-rays to see right through clothing and identify all kinds of potential threats. critics call it an electronic strip search. >> woodruff: we have a conversation with long-time congressman barney frank of massachusetts as he announces plans to retire at the end of this term. >> brown: and hari sreenivasan talks with global-post correspondent iaon grillo about his new book "el...

>> it uses x-rays to see right through clothing and identify all kinds of potential threats. critics call it an electronic strip search. >> woodruff: we have a conversation with long-time congressman barney frank of massachusetts as he announces plans to retire at the end of this term. >> brown: and hari sreenivasan talks with global-post correspondent iaon grillo about his new book "el narco," which chronicles the growth of mexicos violent drug cartels. major funding for the pbs newsh...

reports on the growing concernç over the use of full-body scanners at airports across the country. >> it uses x-rays to see right through clothing and identify all kinds of potential threats. critics call it an electronic strip search. >> woodruff: we have a conversation with long-time congressman barney frank of massachusetts as he announces plans to retire at the end of this term. >> brown: and hari sreenivasan talks with global-post correspondent iaon grillo about his new book "el...

>> it uses x-rays to see right through clothing and identify all kinds of potential threats. critics call it an electronic strip search. >> woodruff: we have a conversation with long-time congressman barney frank of massachusetts as he announces plans to retire at the end of this term. >> brown: and hari sreenivasan talks with global-post correspondent iaon grillo about his new book "el narco," which chronicles the growth of mexicos violent drug cartels. major funding for the pbs newsh...