This behavior serves several purposes: It helps cats tone down their scent so they can avoid predators, it cools them down, it promotes blood flow, and it distributes natural oils evenly around their coat, allowing them to stay warm and dry. Grooming also serves as a sign of affection between two cats, and it’s thought that saliva contains enzymes that serve as a natural antibiotic for wounds.
Dogs can smell thousands of times better than humans. Their noses have millions more scent receptors—for example, a human nose averages 5 million while a Dachshund’s nose has 125 million—making them useful in sniffing out drugs, dead bodies, bed bugs, explosives, and more.
On October 18, 1963, French scientists used a rocket to launch the first cat, into space. The feline’s name was Félicette, and she made it safely to the ground following a parachute descent. Almost definitely landing on her feet.
According to canine researcher and author Stanley Coren, your toddler and pup are about on par when it comes to brains. He also explained that man’s best friend can count, understand over 150 words, and even trick people or other dogs to get treats. Intelligence varies based on breed—Border collies are the smartest.