The Mars Opportunity Rover landed on the Red Planet's surface in 2004 for a 90-day mission of exploration. More than 14 years later, NASA has finally closed the book on this tiny rover that wandered across Mars sending back troves of information. VOA's Kevin Enochs reports.
It’s a stretch but with Valentine’s Day just around the corner, we thought we’d talk about the heart, but with a tech twist. Each heart is different, and that can make surgery challenging. VOA’s Kevin Enochs reports on new technology that creates a 3D model of a specific patient's heart to help a doctor prepare for surgery.