A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Bats sleep 18-20 hours per day.
5
Alligators can live up to 100 years.
337
A domestic cat can sprint at about 31 miles per hour.
274
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132