Oil pipelines in Nigeria, the fifth-largest provider of oil to the United States, have been the targets of guerilla groups recently, contributing to last year's gas price surges. Margaret Warner talks with author Sebastian Junger about the latest activity in…
In his State of the Union address, President Bush called for new domestic initiatives aimed at decreasing gas consumption by expanding the role of alternative fuels. Three energy experts analyze the viability of the president's proposed energy reforms.
China has achieved rapid economic growth over the past decade, but the rapid success has come at the expense of the environment. Independent Television News reports on pollution in China and the price of development.
By Admin, PBS NewsHour
The chief executives of 10 major organizations joined environmental watchdog groups Monday to urge President Bush and Congress to enact mandatory caps on carbon dioxide emissions, which most scientists believe contribute to global warming.
By PBS NewsHour
The NASA rovers Spirit and Opportunity, which began their fourth year on Mars this month, are testing new software as they continue to investigate the planet's hills and craters.
Judy Woodruff and the Generation Next team criss-crossed the country last summer to gauge and document the views of 16-25 year olds. NewsHour presents excerpts from the documentary.
The House voted Thursday to expand taxpayer-funded research on embryonic stem cells, but fell short of the two-thirds majority the measure would need to override an expected presidential veto. The bill passed by a vote of 253 to 174.
On Tuesday, Apple Inc. CEO Steve Jobs unveiled the company's latest product, the much-anticipated iPhone, at the annual MacWorld conference in San Francisco. A business journalist talks about smartphone technology and Apple's future as a whole.
When Boeing unveiled its latest jet, the 787 Dreamliner, there was no actual airplane -- it was a virtual rollout. The NewsHour reports on how virtual technologies are changing the airplane manufacturing process.
Stem cells drawn from amniotic fluid can be used to develop muscle, bone, nerve and other cells in the laboratory, researchers have found. Study author Dr. Anthony Atala explains.
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