Laura K. asks: Why does the yolk of a hard-boiled egg sometimes turn green? The process of hard-boiling an egg involves denaturation. During this process, the amino acid chains found in the proteins in the egg are altered from their original, raw egg state, with the denaturation temperature varying somewhat depending on the specific protein in question (see chart here). […]
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The following is an article from Uncle John’s Bathroom Reader Americans eat nearly three billion boxes of cereal every year. And yet few of us know how Rice Krispies, Corn Pops, or any other cereal is made. Here’s a look at the science behind some of our favorite breakfast foods. NATURAL-BORN POPPER Popcorn for breakfast? It’s not the first thing […]
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Kerry S. asks: Are you supposed to eat the rind of cheese or just throw it out? Is it safe to eat? Does it depend on the type of cheese? Thanks! Whether or not you should eat a cheese rind depends entirely on your taste, as even the most unpalatable rinds are in no way poisonous or dangerous to eat. […]
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Kateri S. asks: I have always been told you can’t put pineapple in jello because it won’t set. Why? Unless you’ve managed to make it this far in life without setting foot in a store, you’re probably aware that jello, popularly known as jelly by my British compatriots, is a genericization of the brand Jell-O which itself was derived from […]
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Karl W. asks: What’s the difference between regular olive oil and virgin? Generally speaking, olive oils fall into one of two broad categories: refined and unrefined, with virgin and extra virgin fitting in the latter category, and pure and light olive oils in the former. Olives used to make the two virgin, unrefined oils aren’t treated with heat or chemicals, […]
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Melissa asks: Is honey considered vegan? There’s a reason there’s the expression “busy as a bee.” These buzzing insects’ entire lives are dedicated to making sure the hive keeps humming and the next generation of bees are born. Worker bees are consistently building, cleaning and protecting their home. When they are not tending to the hive, they are foraging for […]
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Dhruv S. asks: Who invented the chocolate Easter bunny? The chocolate Easter Bunny seems to have been invented by people of German heritage, either in Germany or America, sometime around the 19th century. Many believe (although it’s certainly not settled) that the name Easter is derived from Germanic goddess of spring and fertility, Eostra. In support, they point to one […]
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Karl G. asks: Why does cheddar cheese turn orange when the milk used to make it is white? Milk is made up of about 87% water and 13% solids, such as fat and various proteins. Chief among these proteins is something called casein, four types of which make up about 80% of the proteins in milk. The casein protein molecules […]
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The following is an article from Uncle John’s Bathroom Reader Oh, the poor potato—a symbol of laziness (couch potato) and unhealthy eating (cheese fries). But it deserves much better. Here’s how the lowly potato altered the course of human history. SPUDS OF THE INCAS For at least 4,000 years, potatoes have been cultivated in the Peruvian Andes. The Incas called […]
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Jan B. asks: Who invented cottage cheese and why did they call it that? The ancient Mesopotamians made a type of salty, sour cheese very similar to cottage cheese that dates back to at least 3000 B.C. A common legend is that it was invented when a desert traveler filled his sheep stomach saddle bags with milk prior to beginning […]
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Stephanie I. asks: Why do beets turn some peoples pee red while others it doesn’t? Asparagus may be the most well-known urine changer, and even Ben Franklin acknowledged that just “a few stems of asparagus eaten, shall give our urine a disagreeable odor.” Although the precise mechanism is not definitively understood (despite extensive study), it is generally thought that a […]
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Matt asks: Why do Americans refrigerate eggs and other countries don’t? How long do eggs last unrefrigerated? In supermarkets across the United States, Australia, and Japan, eggs can be found in the refrigerated section alongside other cold items such as milk and cheese. However, in most other countries of the world, eggs can be found stored at room temperature alongside nonperishable […]
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C. Lani asks: What are those little black spots on some kinds of chips? Corn and tortilla chips are speckled with black spots, but what exactly are they? The staple ingredient for both corn and tortilla chips is, of course, corn. An ear of corn is made up of individual rows of kernels, and each kernel is attached to the […]
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Most of us who have been chewing sticks of Spearmint or Juicy Fruit gum over the last several decades probably assume that the manufacture and sale of gum was what Wrigley was always about. After all, the company, which was founded by William Wrigley Jr., is famous for being the leading gum manufacturer globally, with an array of brands like […]
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For anyone reading this who happens to be from the UK, you’re more than likely already well aware of what a Jaffa Cake is. For our readers that haven’t had the pleasure of sampling one of the greatest comfort foods ever created, they’re little, spongy, chocolate coated disks that contain a small amount of orange flavoured jam- they’re delicious. Oh, and […]
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The following is an article from Uncle John’s Bathroom Reader BEAN THERE, DONE THAT What exactly is a legume? Most people would probably answer that a legume is a bean. And they’d be right—but that’s just one part of the legume story. To be precise, a legume is a plant in the botanical family Leguminosae (also known as Fabaceae). That […]
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Jeff G. asks: How do they get the M on M&Ms without breaking it or missing any? Most of us have probably wondered how each M&M is so perfectly marked with that signature white m. The production of the candy that “melts in your mouth and not in your hand” includes many different steps. First, the chocolate concoction is made […]
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Diane F. asks: Who started the tradition of girls jumping out of cakes? Almost everyone has seen depicted the bizarre bachelor party tradition of a scantily-clad woman jumping out of a giant cake. It turns up most often in decades-old films, TV shows, and comics, but it still persists today at lavish Vegas shindigs—though the cakes are now usually made […]
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