Misc: How many fires erupted in the april 18, 1906 san francisco earthquake?

Questions

what publication was subtitled the what's new magazine?

what returned in 1985 that is pictured on the bayeux tapestry?

what sea creature resembles a knight in chess?

what small arctic rodents are said to, but don't, commit suicide in mass plunges into the sea?

what submarine vanished on may 21, 1968?