Don't give a dog chocolate! Chocolate affects a dog's heart and nervous system; a few ounces are enough to kill a small dog. See more

There is a species of bird, Antpitta avis canis Ridgley, that barks like a dog. See more

The sentence "the quick brown fox jumps over the lazy dog" uses every letter in the English language. See more

The deepest hole ever made in the world (in Texas) is as deep as 20 empire state buildings but only 3 inches wide. See more