This week in science: Chasing dragons

There are pros and cons in storm chasing. On the pro side we have learned a lot about storms thanks to the practice of chasing them. On the con side, these storms can kill no matter how experienced or cautious the chaser may be: Being around any tornado is insanely dangerous, and the one in El Reno on May 31 was a monster among monsters: its funnel was 2.6 miles across, the widest ever do...