• A housefly forced to stay in flight for an extended period of time will die of dehydration before exhaustion.

• Hummingbirds have a genetic tendency to mock members of other species.

• The smell of dry-erase markers was recently voted as the most seductive scent by readers of Women's Weekly.

• If sufficiently desperate for a mate, a male Leopard gecko will "drop" its tail and eat it in an attempt to impress females.

• Three hundred murders in what are currently the USA and Canada have been officially attributed to supernatural entities since 1750.