Spray Detects Hard-to-Find Tumors Surgeons may soon have a new tool to help locate early-stage cancerous growths; a spray that turns fluorescent green when it comes into contact with tumors. The spray is clear, but contains a non-toxic dye that almos...
The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field...
By Greg Flakus Austin, Texas 17 July 2007 The attempted bombings in London and Glasgow last month and the release of purported tapes from al-Qaida's leadership this week have raised concerns about possible new terrorist attacks. But recent events in...
By David McAlary Washington 14 September 2006 Astronomers have found that the universe began lighting up in its infancy. They have observed the most distant and oldest galaxies ever seen, small galaxies that helped lift the cosmos out of its dark ag...
Broadcast: Mar 13, 2003 Researchers are developing a blood test to look for colon cancer. The blood test is designed to detect 2) abnormalities in genes that control cell growth. These genes are passe...