The Dairy Scientist Saving Cows From Pain

Aided by recent discoveries, scientists are now manipulating the DNA of all kinds of organisms. Dan Carlson helped develop dairy cattle that never grow horns. His hope: eliminating a painful procedure millions of calves undergo each year. But the unprecedented possibilities of gene editing also raise old fears about tinkering with nature. This is the second episode of "Next Jobs," a series about careers of the future hosted by Bloomberg Technology's Aki Ito. Watch "The Glamorous Life of a Professional Gamer": https://www.youtube.com/watch?v=35YXuEXDa20 Video by David Nicholson and Victoria Blackburne-Daniell