How Does Aspirin Find a Headache?

Preface

Why
Don’t We Ever See Cockroaches in Our Usually Crumb-Filled Cars?

Why
Does Barbie Have Realistic Nylon Hair While Ken Is Stuck with Plastic Hair or Painted Hair?

On
the U.S. Penny, Why Is the “o” in the “UNITED STATES oF AMERICA” on the Reverse Side in Lower Case?

What
Do All the Chime Signals on Airlines Mean? Are They Uniform from Airline to Airline?

Are
Lions Really Afraid of Kitchen Chairs?

Why
Is Pistachio Ice Cream Colored Green?

Why
Are Graves Six Feet Deep and Who Determined They Should Be That Deep?

Why
Doesn’t Ham Change Color When Cooked, Like Other Meats?

Why
Does Warm Milk Serve as an Effective Sleep-Inducer for Many People?

Why
Doesn’t Glue Get Stuck in the Bottle?

Why
Don’t People in Old Photographs Ever Seem to Smile?

Why
Did Men Thrust Their Right Hand into Their Jackets in Old Photographs?

Why
Are Carpenter’s Pencils Square?

Why
Don’t Windshield Wipers in Buses Work in Tandem Like Auto Wipers?

Why
Were Athos, Porthos, and Aramis Called the Three Musketeers When They Fought with Swords Rather Than Muskets?

Why
Don’t Public Schools Teach First Aid and CPR Techniques?

Why
Do Peanuts in the Shell Usually Grow in Pairs?

Why
Are Children Taught How to Print Before They Learn Cursive Handwriting?

Why
Do Most Women’s Hairbrushes Have Long Handles When Men’s Hairbrushes Have Short Handles or No Handles at All?

Why
Do Some Ladybugs Have Spots and Others Have None?

Why
Does a Loud Bang or Opening and Closing the Oven Door Sometimes Make Soufflés and Cakes Fall in the Oven?

Why
Do Angel Food Cakes Have to Be Turned Upside-Down While Cooling?

Why
Have Auto Manufacturers Moved the Brights/Dimmer Switch from the Floorboard to the Stalk of the Steering Column?

Why
Is an Ineligible College Athlete Called a “Redshirt”? And Why Do Colleges Redshirt Players?

If
You Dig a Hole and Try to Plug the Hole with the Very Dirt You’ve Removed, Why Do You Never Have Enough Dirt to Refill the Hole?

Why
Was Twenty-one Chosen as the Age of Majority?

Why
Don’t Disc Jockeys Identify the Titles and Artists of the Songs They Play?

Why
Do Pigeons Make a Whistling Sound When They Take Off in Flight?

What’s
the Difference Between Skim and Nonfat Milk? And How Do They Skim the Fat from Whole Milk?

Why
Does Some Lowfat Milk Contain One Percent Fat and Other Lowfat Milk Contain Two Percent Fat?

Why
Do Plastic Gallon Milk Containers Have the Counter-Sunk Dips on Their Sides?

Why
Aren’t “Green Cards” Green?

When
Do Kids Turn into Goats?

Why
Do Baked Hams Usually Have a Checkerboard Pattern Along the Top?

What
Is the Emblem on the Pittsburgh Steelers’ Helmets? And Is There Any Particular Reason Why the Pittsburgh Steelers Are the Only NFL Team to Have Their Logo on Only One Side of Their Helmets?

Why
Did the Rabbit Die When a Pregnant Woman Took the “Rabbit Test”?

Why
Is It That What Looks to Us Like a Half-Moon Is Called a Quarter-Moon by Astronomers?

What’s
the Deal with the Grades of Architectural and Art Pencils? What Do “H,” “HB,” “F,” “B,” and “E” Stand For?

How
Do Hermit Crabs “Relieve Themselves” When in the Shell Without Getting Filthy? Or Do They Get Filthy?

Why
Does Getting a Hair in Our Mouth Make Us Gag?

Why
Does Pasta Create Foam When Boiling?

Why
Do Many Elderly People, Especially Those Missing Teeth, Constantly Display a Chewing Motion?

Do
Butterflies (and Other Insects) Sneeze or Cough? If So, Do They Do So Loud Enough for Humans to Hear?

What
Is the Liquid That Forms on Top of Yogurt? Is It Water or Does It Have Nutrients? Should It Be Drained or Stirred Back into the Yogurt?

Why
Do Most Yogurts Come with the Fruit on the Bottom? Why Not on the Top? Or Prestirred?

Why
Do You Need to Supply Oxygen to a Tropical Tank When Fish Are Quite Capable of Surviving Without Extra Oxygen in Lakes and Oceans? Why Do You See Oxygen Tanks More in Saltwater Aquariums Than Freshwater?

What
Happens to Criminals’ Firearms Confiscated by Police During Arrests?

Why
Is There a Worm on the Bottom of Some Tequila Bottles?

Do
Fish Pee?

Why
Are Screen Door Handles and Knobs Located Higher than Their “Regular” Counterparts?

Why
Aren’t Automobiles Designed So That the Headlamps Shut Off Automatically When the Ignition Key Is Removed?

Why
Do Many Blind People Wear Dark Glasses?

Why
Do Many Fast Food Restaurants and Convenience Stores Have Vertical Rulers Alongside Their Main Entranceways?

What
Does “100% Virgin Acrylic” Mean?

Do
Snakes Sneeze?

Why
Do Cookbooks Often Recommend Beating Egg Whites in a Copper Bowl?

How
Does Aspirin Find a Headache?

Is
Goofy Married? If Not, Where Did Television’s Goofy, Jr., Come From?

Why
Is “$” the Symbol for the American Dollar?

What
Do Paper Manufacturers Do with the “Holes” Punched Out of Looseleaf Paper? Do They Recycle Them?

Why
Do We Bury the Dead with Heads Toward the West Facing East?

Why
Do Birds Usually Take Flight Against the Wind?

Why
Do Geese Honk Furiously While Migrating? Doesn’t Honking Squander Their Energy on Long Flights?