(Al Jazeera English News Headlines: April 16, 2010) Iceland’s volcano is not only disrupting air travel, but the volcanic ash could also have serious health implications. The death toll from Wednesday's earthquake in northwest China has now risen to 791, including monks whose monasteries have been reduced to rubble. While Barack Obama visited the NASA program at Kennedy Space Center in Florida, the tourist industry worries that without a new space shuttle program, business will suffer.