Aviation is very safe, but on this specific issue — this is aviation’s Achilles heel,” an industry expert said.

If grains or nuts look moldy, discolored or shriveled, or if they have an unusual smell, it’s best to err on the side of caution and throw them out. Aflotoxins, especially, are known to be potent ...

Some of the recent advances in the quest to catch a whiff of history are featured in the new book Scents of Arabia: ...