Susan Dentzer reports on the Congressional debate over cloning.
Fred de Sam Lazaro explores the use of profits from high-tech companies as aid to the poor in India.
Nearly 180 nations agreed to details of a pact to combat global warming Monday, leaving the United States isolated after marathon negotiations.
After a federal agency suspended all research on humans last week, Johns Hopkins Medicine will be allowed to resume their work with the agency's approval.
The National Institutes of Health released a study today underscoring the tremendous potential of embryonic stem cells to treat everything from Alzheimer's disease to cancer.
Lee Hochberg reports on how an abundance of electricity has affected the economy along the Columbia River in the Pacific Northwest.
Tom Oliphant and David Brooks discuss the politics of President Bush's energy plan.
The Senate Thursday defeated an amendment aimed at delaying oil and gas drilling in the eastern Gulf of Mexico.
Scientists in Virginia are the first in the world to harvest human embryos for the sole purpose of using the stem cells for research.
Margaret Warner leads a discussion about the Republican party struggle to reach consensus about the use of stem cells in scientific research.
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