From dull tension headaches to crippling migraines, sometimes your cranium can feel crippled. But what causes all those headaches?
You might not know that the brain itself can’t actually feel pain. Instead, […]

Introduction
The tangent is one of the three basic trigonometric functions, the other two being sine and cosine. These functions are essential to the study of triangles and relate the angles of the triangle to […]

Amino Acids
Amino acids are organic compounds which contain both an amino group and a carboxyl group, that is, any of a group of organic molecules that consist of a basic amino group (−NH2), an acidic carboxyl g […]

Introduction
Carbohydrates (saccharides) – Molecules consist of carbon, hydrogen and oxygen atoms. A major food source and a key form of energy for most organisms. When combined together to form polymers, […]

To remember something new, it must be clearly impressed in the brain. It requires time and effort to learn new concepts. To imprint new information into the brain, it’s important to schedule periodic study s […]

Rounding off numbers
To ’round off’ or ‘approximate’ a number to a desired degree of accuracy, we

round the number up if the next digit is 5 or more
round the number down if the next digit is less than […]

Introduction
The method of solving “by substitution” works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other […]

They are delicious and help make us more beautiful by helping both the inside of our body, like our hearts, as well as the outside of our body, like our hair.
While eggs have got a bad reputation for a long time […]

What is Matter?
Matter is anything that has mass and occupies space. There are 3 states of matter, solids, liquids and gases. Examples of matter include the plants animals around us, the food we eat, the water we […]