7,000 new insect species are discovered every year.
30
Only female bees work.
20
A giraffe's kick is so powerful that it can decapitate a lion.
216
A rat can go without water longer than a camel can.
26
A spider's silk is stronger than steel.
52
Goldfish remember better in cold water than warm water.
29
Dolphins sleep with one eye open!
52
Emus and kangaroos cannot walk backwards.
26