ScienceDaily: Computers & Math News

3-D view of Greenland Ice Sheet opens window on ice history Posted: 23 Jan 2015 11:09 AM PST Scientists using ice-penetrating radar have created 3-D maps of the age of the ice within the Greenland Ice Sheet. The new maps will aid future research to understand the impact of climate change on the ice sheet. The Greenland Ice Sheet is the second largest mass of ice on Earth, containing enough water to raise ocean levels by about 20 feet.

Pro-marijuana 'tweets' are sky-high on Twitter Posted: 22 Jan 2015 01:59 PM PST Analyzing every marijuana-related Twitter message sent during a one-month period in early 2014, researchers have found that the 'Twitterverse' is a pot-friendly place. In that time, more than 7 million tweets referenced marijuana, with 15 times as many pro-pot tweets sent as anti-pot tweets.

Tablet computers good medium for educational materials Posted: 22 Jan 2015 12:48 PM PST It's increasingly important for educators to understand how mobile technology such as touch-screen tablets can enhance learning instead of being classroom distractions, says a professor of business administration, and co-author of new research in business and e-learning.