Jonathan Rugman of Independent Television News examines how global warming is affecting those who live in the Arctic.
The U.S. House and Senate passed new federal budget plans last week that will cut Medicaid spending by $10 billion over the next five years.
A report on one Illinois community's debate over a proposed nuclear reactor for both economic and safety reasons.
Jeffrey Brown looks at a British and American team's incredible 37-day journey to the North Pole.
Jeffrey Kaye of KCET-Los Angeles reports on efforts to build environment-friendly buildings.
Dr. Julie Gerberding, director of the Centers for Disease Control and Prevention, discusses the accidental shipment of a deadly flu strain to laboratories worldwide, the effort to destroy the samples, and the need for future precautions.
On the 50th anniversary of the polio vaccine's approval, a new book celebrates vaccine creator Jonas Salk. Then, a microbiologist talks about the life and work of Dr. Maurice Hilleman, who developed vaccines for mumps, measles, chickenpox, pneumonia, meningitis and…
NASA is developing a new program to build mechanical robot astronauts called Robonauts, some of which may be used to repair the Hubble Space Telescope. Some scientists argue that robots are better explorers than people.
Thousands fled from low-lying areas in Indonesia Monday after an 8.7-magnitude earthquake hit off the coast of Sumatra Island. A geological expert talks about how the earthquake originated.
The Senate Wednesday voted 51-49 to defeat a measure that would have banned oil exploration in the Arctic National Wildlife Refuge in Alaska.
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