Father penguins have developed a solution to help distinguish their child from identical chicks in the colony.

How do they differ from the ocean? A geophysicist breaks it down for us.

The Rosa Damascena, known as the Damask rose, is considered a great treasure in the region of Kazanlak.

Reece Parkinson heads to the Bahamas, where he meets a community adapting to unpredictable weather patterns.

With storms occurring between 140 to 160 nights a year, it's no wonder the area is a world record holder.

An 11-mile hike in the Bako National Park in Malaysia transports travellers through seven distinct habitats.

Two urban explorers' stories of decay tell a tale of a changing American cultural landscape.

In the BBC Select documentary Penguins: Spy in the Huddle, we explore the world of penguin fathers.