Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...

Black women in blue remind us of the power of electricity. The jolting hue sends shock waves through our systems every time we see one of our melanated sistas rocking the primary color.

A female killer whale gives birth to one calf at a time every three to 10 years. Orcas work together to take care of the young. Female killer whales live to be around 50 years old, but some orcas ...

Some narwhals have up to two tusks, while others have none. The spiraled tusk juts from the head and can grow as long at 10 feet. Unlike some whale species that migrate, narwhals spend their lives in ...