riddles

The rise of Tibet and the Himalayas along its southern fringes are enduring riddles that SinoProbe II data might be able to crack, says Simon Klemperer, a geophysicist at Stanford University.

“Turandot” is an opera of riddles, riddled with the Tao of nothingness and strong sexual attraction that lacks communication.

Three actors try to pull off a mission by reacting to prompts, solving riddles and, naturally, engaging in fights.

The title character, a princess, poses three riddles to noblemen who seek to marry her.

Higgs’ work helps solve one of the most fundamental riddles of the universe: how the Big Bang created something out of nothing 13.7 billion years ago.