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.
An Obama administration plan released Monday would expand federal funding of stem cell research to older lines of stem cells previously ineligible for such financing. Jeffrey Brown reports.
ITN's Channel 4 news correspondent Tom Clarke reports on what scientists are learning from stalagmites about the rainfall and changing weather patterns in a remote region of southwest Poland.
Correspondent Tom Bearden reports on a competition of young engineers designing eco-friendly urban centers of the future.
Support Provided By: Learn more
Educate your inbox
Subscribe to Here’s the Deal, our politics newsletter for analysis you won’t find anywhere else.