Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
Jumping fleas can accelerate 50 times faster than the space shuttle.
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The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9