From a bedroom in the San Francisco Bay area, Salman Khan is using the Web to teach math and science to millions. Spencer Michels reports on how the non-profit Kahn Academy is providing educational materials through its free YouTube video…
As 2009 wound to a close, the PBS NewsHour asked scientists and science journalists to discuss the most significant science stories of the year.
James Mates of Independent Television News looks at the alarming rate glaciers are melting atop Mt. Everest and how that could affect the rest of the world.
Newly-released guidelines on when, and how often, women should be screened for breast and cervical cancer stirred questions -- and confusion -- this week. Margaret Warner talks to health experts for insight.
NOVA explores the issue of climate change as it relates to human origins in part one of a three part series on evolution.
The NewsHour airs an excerpt from a NOVA ScienceNow report on efforts to repair the Hubble Space Telescope.
In other news, the Supreme Court took up the separation of church and state in a case involving public lands in California, and two Americans and an Israeli received the Nobel Prize in chemistry.
Large wildfires in the western United States, such as the week-old Station Fire that has charred more than 215 square miles north of Los Angeles, have been increasing in both frequency and size in recent years.
An excerpt of NOVA scienceNOW, which takes an in-depth look at the human brain as a neuro-anatomist dissects one into 3,000 pieces.
ITN correspondent Julian Rush reports on how the science of carbon dating is being used to combat the illegal global ivory trade.
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