Position, Distance, Displacement, Speed, Velocity and Distance-Time graph
The position of a point in space is determined by its distance and direction from other points. The statement of position is accomplished […]

People who have lucid dreams have superior problem-solving skills, scientists claim.
Researchers say that people who can recognise that they are dreaming while being sound asleep, can solve problems in the waking […]

If you haven’t taken an online course yourself, have you ever wondered what online learning is really like? While the online learning platforms used from school to school may differ slightly, online learning o […]

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 […]