2: Obligate anaerobes are poisoned by oxygen, so they gather at the bottom of the tube where the oxygen concentration is lowest.

the course of thought or meaning that runs through something

a competitor in a game

rational: to have reason or understanding

Was Walt Whitman, a grifter?

East River 2000 piece puzzle

To hopscotch: to go on the road with a confidence man.

To sting: to take a mark’s money

Grifter: “In the strict sense, one who lives by his wits as contrasted to the 'heavy-men’ who use violence”

A bog is a “wet muddy ground too soft to support a heavy body”.