 Camels have 3 eyelids to protect themselves from blowing sand.
 The surface area of your lungs is roughly the same size as a tennis court.
 Plastic bottles were first used for soft drinks in 1970.
 Spiders are arachnids and not insects.
 The world's most expensive spice is saffron.
 Hawaii officially became apart of the US in 1900.
 A bear has 42 teeth.
 It is believed that Ancient Egyptians used complex mathematics such as algebra, arithmetic and geometry as far back as 3000 BC, such as equations to approximate the area of circles..
 Tree hugging is forbidden in china.
 Cats can jump up to 7 times their tail length.
