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Medical researchChimeras: Animal-Human Hybrids
Scientists are implanting human cells in animals in order to make more human-like models for medical research. Two scientists answer your questions about this "chimeric" research.
(August 2005)

 

Religion  

 

  In the Name of Islam -- August 2005
Four Muslim thinkers answered your questions about the relationship between their religion and people who perpetrate terrorist attacks in the name of Islam.

Science  

 

  Science of Aging -- March 2005
Scientists have isolated a series of genes found in many different plants and animals that seem to control the aging process. Two leading scientists on "anti-aging" gene research answer your questions.

Politics  

 

  Social Security Overhaul -- February 2005
President Bush has launched a national campaign to generate support for reshaping Social Security, including the controversial option of personal accounts for younger workers. Two policy experts answer your questions about personal accounts and other aspects of the president's plan.

Politics  

 

  Social Security Philosophy -- February 2005
President Bush's call for reforms to Social Security is part of a broader philosophical effort to promote an "ownership society" in the United States. Two experts answer your questions about the philosophical differences in the Social Security debate.

Media  

 

  Credibility in Question -- January 2005
Public trust in the news media has been shaken by several recent scandals and lapses of journalistic judgment. Two experts take your questions about specific cases of journalistic misdemeanors and how the news organizations in general can improve their credibility.

Art  

 

  Museum of the American Indian -- November 2004
A new museum in Washington, D.C. celebrates the tribes, nations and cultures that have flourished throughout the Americas for centuries. Thomas Sweeney, a citizen of the Potawatomi Nation and director of public affairs, answers your questions.

Politics  

 

  Political Advertising -- October 2004
Kathleen Hall Jamieson, director of the Annenberg Public Policy Center at the University of Pennsylvania, answers your questions about political advertising and the Kerry and Bush campaigns' media strategies.

Science  

 

  Adult Stem Cells -- August 2004
On the third anniversary of President Bush's announcement that the federal government would support only limited research involving the use of embryonic stem cells, two scientists discuss the less controversial adult stem cells.

Art, Science  

 

  Nanotechnology -- August 2004
An interactive exhibit aims to inform visitors about the basics and uses of nanotechnology. Two professors answer your questions on nanotechnology, and how art can help us better understand the complex field.

Science  

 

  Predicting Earthquakes -- August 2004
In recent years, scientists have been moving ever closer to one day being able to predict when and where a major earthquake could occur. A leading scientist in earthquake prediction explains the latest developments in the field.

Environment  

 

  Climate Change -- May 2004
Climate change is one of the most persistent and complicated environmental issues. Three experts answer your questions about the impacts of climate change and how much control humans have over them.

International  

 

  Remembering the Past -- April 2004
Two people who have survived periods of horrific genocide have teamed up to tell people about their experiences in the Holocaust and Rwanda's civil war. David Gewirtzman and Jacqueline Murekatete answer your questions.

Entertainment, Religion  

 

  'The Passion of the Christ' -- February 2004
Mel Gibson's controversial movie, "The Passion of the Christ," opened Ash Wednesday to mixed reviews. Two theology professors answer your questions on the religious and philosophical questions surrounding the film.
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