Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Dolphins have names for one another.
18
The cat brain weighs about 30g.
167
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9