
Congress has enacted a new law to further protect the food we eat. Antonio Neves explores this impact on food safety and nutrition.
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Earth Day Chesapeake Cleanup Affects Nation
Elana Michelle reports on pollution of the Chesapeake Bay, how it affects the watershed, and the roles of government and citizens in this environmental crisis.

From Rock 'n' Roll to a Mars Space Scientist
Correspondent Spencer Michels gets a lesson in space technology and career education from the NASA team leader of the Mars Rover mission.
Sports Concussions in Children and Young Adults
Elana Michelle investigates why young athletes are incurring more concussions during team sports.

Julie Iriondo reports on the 100th anniversary of the famous Antarctic expedition by Sir Ernest Shackleton to be recreated in 2014 with modern equipment.

Medical Research on Chimpanzees: Is It Ethical?
Correspondent Miles O'Brien investigates scientific experiments on chimpanzees and the ethical implications for animal rights.