Scientists now can edit our genomes and the structure of our DNA. Why is this important? And, can playing god cause more harm than good? DNA is our body's instruction manual for life and is in charge...

Mount Everest is the tallest mountain in the world, standing at 29,032 feet, and the Burj Khalifa is the tallest building in the world, standing at 2,716 feet. While these are both massive, how do they...