Animals

The giant millipede Lemurs in Madagascar and capuchin monkeys in Venezuela have been observed using powerful defensive secretions from giant millipedes to control insect pests and even send themselves on a drug-induced 'high'.
Poison jewels: the dart frogs Poison dart frogs - some of which produce toxins powerful enought to kill 150 adult humans - are used by tribal people to catch food. Recently, scientists have used these toxins to produce a painkiller 200 times more effective than morpine.	Dwarf crocodiles Dwarf crocodiles are sophisticated and fascinating animals that have been around since the age of the dinosaurs. But what of their uncertain future at the hands of humanity?	The Pet Trade The capture and sale of animals from tropical forests is thought to be the second biggest cause of species loss. We find out what is fuelling this trade and what can be done to limit the damage it causes.
Ancient gardeners: leafcutter ants Millions of years ago, leafcutter ants learned to grow fungi. Now, they form one of the most complex and intriguing insect societies of all.

The giant millipede