Puzzle 15

Designer of chain reaction-style machines, Rube.

Signs carried by protesting marchers.

Blue ovum of red-breasted bird; blue paint hue.

Italian salt-cured, air-dried beef.

Quality of a mineral measured on the Mohs scale.

Criminal archenemy of Sherlock Holmes.

Of the ancient combination of chemistry and magic.

Brother of Pegasus, son of Medusa and Poseidon.

Radiohead album or divers' disease.

Bright screaming pink, name comes from perfume box.

Having advantage due to weight.