Why are Some People Allergic to Domestic Cats and Are They Also Allergic to Tigers and Other Big Cats?

Jessica asks: Are people who are allergic to house cats allergic to tigers and other large cats? One of its most common behaviors greatly contributes to the domestic cat’s propensity to stimulate an allergic response in some humans – its grooming. When the cat licks itself, it stimulates both its salivary glands as well as sebaceous glands in its skin, […]

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The Lost Leonardo

The following is an article from Uncle John’s Bathroom Reader Only 15 paintings by the Italian Renaissance master Leonardo da Vinci are known to exist. But what if there were more…and what if Leonardo’s greatest work—one that’s been presumed destroyed since 1563—was safely hidden, just waiting to be discovered? THE BIG PICTURE In 1503 the Republic of Florence (now part […]

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What is Amniotic Fluid Made Of?

Mekala asks: What is amniotic fluid actually made of? Is it just water and stuff the baby poops and pees or is it like saliva? Just wondering. Thanks! Essential for the development of a healthy baby, amniotic fluid is a complex liquid that nourishes, facilitates growth, cushions and protects the growing fetus. Amniotic fluid begins to form almost as soon […]

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