Is Saffron the most expensive spice in the world? Here are all the rarest and most expensive spices in the world.

The world is home to some of the rarest and exotic plants that capture the imagination due to their unique beauty and scarcity. The baseball plant found in South Africa's Great Karoo is now ...

Narrator: Lotus silk is one of the rarest fabrics in the world, produced only in small scale ... But while the insects require careful looking after, they do most of the hard work themselves.

Every species, from the apex predator down to the smallest plant and fungi, plays a specific role in the ecosystem that they are native to. However, when a non-native species is introduced to an ...

Carnivorous plants have developed a terrific array of weird and wonderful adaptations that help them flourish in nutrient-poor environments. Enter the world of predatory plants ... plant known to ...