- Say the prime (saytheprime.com)
We’re attempting to get a collection of humans to say every digit of the newly-discovered (and currently largest-known prime number) Mersenne prime M136279841, and hope to achieve this before another larger prime is discovered.
- Dark fantasy (Wikipedia)
Dark fantasy is a subgenre of fantasy literary, artistic, and cinematic works that incorporates disturbing and frightening themes. The term is ambiguously used to describe stories that combine horror elements with one or other of the standard formulas of fantasy.