Having grey hair is part of growing old. Even in your own family you are likely to have uncles and aunts who have grey or white hair. The changing of hair colour is just another example of chemistry at work in your own body.
Water is the 'universal solvent', almost all substances dissolve in it. Oil is the one substance that does not dissolve in water. However hard you try you will always see that if you try to mix the two, you will notice that the oil layer lies about the water.
If you have ever watched your mother cooking red cabbage you might have noticed it changes colour once it's cooked. Strange isn't it? Not if you think that cooking is chemistry after all and this is another excellent example of chemistry in our everyday life.
Today there are cafe's everywhere and new ones keep cropping up. Everyone enjoys a coffee break to catch up over a cup of coffee. Though we enjoy drinking a cup of coffee, few of us know that it is the chemistry behind your cup of coffee that makes it enjoyable?
One of the strongest glues available at your local hardware store is Superglue. Just one-square inch of this glue can hold up to a ton! What's more this glue is fast. It can fix anything within seconds of applying it.
Do you remember seeing your dad's calculator that had that strange strip which powered it? Remember how you were playing with it when you asked him to help you solve your maths problem? Wasn't it fun to keep your finger over the strip and after a time to see the calculator shut down? That was a photovoltaic cell, the thing that makes solar energy possible.
Protein plays an important role in your diet. Our body needs protein as it is a major part of the skin, muscles, organs and glands. This is why your mother plans your diet to ensure you have a lot of protein in it.
The first thing you reach for when you are thirsty is a glass of water. Nothing quenches your thirst like a glass of water. However, too much of anything is not good. Drinking too much water can give you water intoxication.
Everyone enjoys a healthy glass of milk to go with doughnuts, cakes, pancakes, cheese, cookies and such food. Yet not everyone can have milk or any of these foods. Why? Because there are some people who have something called lactose intolerance. Their bodies can't digest lactose, the sugar found in almost every dairy product.