It was kind of an amazing sequence of events.

We have 18 more total events, five more significant events and 13 more nonsignificant events than originally reported. These new figures are accompanied by a dramatic increase in the numbers of casualties originally calculated.

When you think about the events that we've been through, from the fall of the Berlin Wall to, I guess you'd say, 9/11 being the culmination at the end of that, of that scope, what extraordinary changes there have been.

Before this people thought you needed much larger events to create regional cooling. But this particle size, it looks like smaller events can create those effects.

The difference in lung function between the highest and lowest quintiles of vitamin D is substantial and greater than the difference between former and nonsmokers.

Although there is a definite relationship between lung function and vitamin D, it is unclear if increases in vitamin D through supplements or dietary intake will actually improve lung function in patients with chronic respiratory diseases.