Doctors Francis Collins and Craig Venter discuss the completion of the human genome map.
Space shuttle Atlantis was launched from Cape Canaveral, Fla., this evening. It's on its way to the International Space Station, 230 miles above the Earth.
A controversial nuclear fusion project is years behind schedule and more than $1 billion over budget.
Leaders of the U.S. beef industry emerged today from talks with government health officials pledging to do a better job of following regulations meant to curb the spread of mad cow disease.
Spencer Michels reports on California's continuing electricity shortage.
Gwen Ifill talks with outgoing Secretary of the Interior Bruce Babbitt, who supports President Clinton's latest efforts to prohibit development on public lands.
A panel compares the Clinton and Bush environmental policies.
After this background report, a panel compares the Clinton and Bush environmental policies.
President-elect Bush has named former Colorado Attorney General Gale Norton to head the Department of the Interior, responsible for overseeing federal land and managing environmental resources.
New, short-term studies suggest that cell phone use may not cause brain cancer.
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