From the sea angel to the whirligig beetle to the Priapulid (penis worm), a new book features 540 full-color photographs of creatures humans would otherwise never get to see.

They are known for their distinctive appearance with two brightly coloured, spiral "crowns" that resemble a Christmas tree, protruding from a tube-like body ...

“It's kind of an ear worm on steroids,” said Gleason ... The simplicity of “Rockin' Around the Christmas Tree” is a big part of its appeal, said Nathaniel Sloan, a musicologist at the ...