Why the dodo went extinct
Too heavy to fly, too large to run and too clumsy to escape, this funny-looking bird didn't survive the arrival of humans in its territory. Here is the story of the dodo.
The fennec fox is the smallest canid in the world
The Temperate House is the world's largest Victorian glasshouse
Sand is the second-most used resource after water
These animals are black because of melanism
Singapore took a green approach to its development
Niue declared world's first 'Dark Sky nation'