Misc: of what are 'smores' made?

Questions

what are elementary particles originating in the sun and other stars, that continuously rain down on the earth?

what place is known as 'the land nowhere near'?

what does the body release that dilates small blood vessels and so causes a person to blush?

who played the title role in the 'mad max' series of films?

where did churchill, roosevelt and stalin meet in 1945?