Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The octopus does not have a blind spot.
273
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
The seahorse is the only fish to have a neck.
12