Science

Obama Policy Shift Reopens Debate on Stem Cell Research

President Barack Obama moved Monday to lift funding limits on embryonic stem cell research. Experts weigh how the decision fits into the president's broader approach to science.

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Obama Lifts Restrictions on Funding Human Stem Cell Research

Betty Ann Bowser reports on President Barack Obama's executive order to lift restrictions on federal funding for human embryonic stem cell research.

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Text Messages Are New Tool for AIDS Education in South Africa

By Admin, PBS News Hour

A mobile health project in South Africa is using cell phone text messages to reach people in even the most remote areas of the country to encourage them to get information and counseling on HIV/AIDS.

Obama Lifts Restrictions on Stem Cell Funding

By Admin, PBS News Hour

President Obama on Monday ended his predecessor's policy of restricting the use of federal funds for embryonic stem cell research.

NASA Telescope to Search for Earth-like Planets

By PBS News Hour

A NASA telescope is set to launch Friday night from Cape Canaveral Air Force Station in Florida, on a three-and-a-half year mission to scan the Milky Way galaxy for Earth-like planets.

Paper Profits: Origami Meets Science

Robert Lang, who studies lasers, gave up his Silicon Valley job to concentrate full-time on his life lifelong artistic interest in origami.

In Paper Folding, Art and Science Align

By PBS News Hour

Eight years ago, physicist Robert Lang's career path took an unusual turn. The laser physicist and lifelong origami artist quit his Silicon Valley job to concentrate full-time on origami.

Reversing Bush Rule, Obama Resumes Safeguards for Endangered Species

By Admin, PBS News Hour

President Barack Obama announced Tuesday that he wants federal agencies to resume full scientific reviews of projects that could harm endangered wildlife and plants.

Study Links Alcohol, Cancer Risk in Women

By Admin, PBS News Hour

Drinking even one alcoholic drink per day can increase a woman's risk of developing several types of cancers, according to a new study of nearly 1.3 million women in the UK.

CO2-tracking Satellite Crashes after Failing to Reach Orbit

By Admin, PBS News Hour

A NASA rocket carrying a satellite built to track carbon dioxide emissions crashed into the ocean near Antarctica, ending a project nine years in the making at a cost of $273 million.