Mass extinction's cause: 'Sick Earth'

Space & Earth / Earth Sciences

Oct 21, 2006 | 4.2 / 5 (54) | 0

What really caused the largest mass extinction in Earth's history? USC earth scientists will reveal new clues at the annual meeting of the Geological Society of America in Philadelphia Oct. 22-25.

New newscast offers virtual anchor, personalized content

Technology / Computer Sciences

Oct 21, 2006 | 3 / 5 (16) | 0

Watch out Katie Couric, Brian Williams and Charlie Gibson. New technology from researchers at Northwestern University provides individual users with an automated, personalized newscast that is completely virtual, including ...