Perfectly dry iron doesn't do this because galvanic action won't take place without water being present
Liquid oxygen normally does this at -183 centigrade
Allotrope of carbon that's used as a solid lubricant
The sea horse has a prominent pair of these which can move independently of each other
Benthic animals are the ones which live in this part of the ocean, the benthos
These animals are the only pinnipeds with tusks
This Dr. Seuss animal said, "'That is that.' And then he was gone with a tip of his hat."
Robert Louis Stevenson wrote "A Child's Garden of" these
He's the author & illustrator of "If Beagles Could Fly"
In "The Jungle Book" Shere Khan is one of these wild animals