How is decaffeinated coffee made? There are several different methods, but they all involve washing the caffeine out of the coffee beans. Coffee grows on a bush, which is usually about 1.5 m high. The coffee bean is the seed of the bush and it grows inside a red cherry. The cherries are picked when […]
#555 How is decaffeinated coffee made? Read More »
How are foods frozen? They are dipped in something cold, pressed between cold plates, or exposed to cold air. Once vegetables or fruits are picked, or once meat is butchered, they have to be frozen as quickly as possible. The second these foods are exposed to the air, they start to break down. The faster
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Can you eat the skin of all fruit and vegetables? Some fruits have a poisonous skin that it is better to avoid. The skin of some vegetables is too difficult to chew. What is a fruit? A fruit is a mature, ripened ovary, and the contents of the ovary. The ovary is the female part
#498 Can you eat the skin of all fruit and vegetables? Read More »
Why are carrots orange? Because they contain carotenoids, which are orange. Carotenoids are organic pigments that are produced by plants, algae, and some bacteria and fungi. They can be found in vegetables such as pumpkins, carrots, corn, and in animals such as canaries, lobsters, and flamingoes. In plants and algae, carotenoids absorb sunlight for photosynthesis.
#466 Why are carrots orange? Read More »
Why do our stomachs grumble? Because the muscles in the stomach and small intestines are contracting and there is no food in there to muffle the sound. Our stomachs rumble a lot of the time, but we usually cannot hear it because the food in our stomachs and small intestines soak up the sound. The
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How does an air fryer work? A fan circulates hot air at high speed which cooks the food. Firstly, let’s look at how food cooks when it is fried. With deep-frying, food is submerged in oil that is heated to between 177 and 191˚C. That seems pretty hot, but it is far below the boiling
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Why do we get a headache when we are dehydrated? You get a headache when you are dehydrated because your brain shrinks and pulls away from the sides of your skull. The human body is about 60% to 70% water. Some parts of the body contain more water than other parts. The blood and the
#400 Why do we get a headache when we are dehydrated? Read More »
How does caffeine stop you from feeling sleepy? Caffeine stops you from feeling sleepy by blocking the action of adenosine on its receptors. So, why do we get sleepy? A lot of research has been done into why we need to sleep, but nobody has come up with an answer. We obviously do because if
#396 How does caffeine stop you from feeling sleepy? Read More »
Why does drinking milk help after eating spicy food? Milk helps after eating spicy food such as chili because it contains something called casein. When you eat spicy food, the oily capsaicin molecules attach themselves to nerve receptors in your mouth. These receptors then release a protein called TRPV1, which alerts your brain to heat.
#394 Why does drinking milk help after eating spicy food? Read More »
Why do mustard and wasabi make your nose hurt? Mustard and wasabi hurt your nose instead of your tongue and throat because the oil in them turns into a gas. Spices such as mustard and wasabi affect us in a very different way to chili. When you eat a spicy chili, the capsaicin in the
#390 Why do mustard and wasabi make your nose hurt? Read More »
