He is the author or co-author of more than 40 cover stories, including Time's coverage of the Oklahoma tornadoes of 2013, the Fukushima disaster in 2011, the battle to eradicate polio (2011) and the developing science of caring for premature babies (2014).
He is a prolific writer who has produced over 40 cover stories for Time magazine, covering significant events such as natural disasters, health crises, and scientific advancements.