Biochemistry


Table of Edible pH Indicators (Todd Helmenstine)
Red cabbage juice is the best known edible pH indicator, but there are many safe fruits, vegetables, and flowers that change color in response to acidity or alkalinity. The plant pigments responsible for the color change are anthocyanins. Most of these molecules change from red to purple to blue in […]

Edible pH Indicators From Your Kitchen and Garden   Recently updated !


Cats eat grass because it's a good source of certain nutrients, may help their digestive system, and simply because they enjoy it. (Ethan Weil)
Why do cats eat grass? The answer is that it offers some health benefits. Cats are obligate carnivores, which simply means they need to eat meat to satisfy their nutritional needs, yet wild cats naturally ingest some grass with prey. Both wild cats (e.g., bobcats, lions, and tigers) as well […]

Why Do Cats Eat Grass?





When you lose weight, fat doesn’t magically vanish or convert into muscle or even energy. Your digestive system does not excrete it in feces. In a survey of 150 health professionals (dieticians, doctors, personal trainers), 98% didn’t understand fat metabolism. Only three people in the study knew where fat went! […]

Where Does Fat Go When You Lose Weight?


Daffodils (Katherine McCormack)
Daffodils, jonquils, and other types of narcissus are the harbingers of spring, so you may be tempted to bring them indoors to brighten a room. Go ahead and put them in a vase! However, it’s not just an urban legend that daffodils poison other flowers. Take a look at the […]

Do Daffodils Poison Other Flowers?