To this day, no one knows exactly when the compass was first used, or who invented it; what we know is that it dates back to the 11th century.
The immune system normally defends the body against diseases and infections; however, it sometimes does not function as such.
The earliest alarm clock dates back to around 250 BCE, and was invented by the Greeks.
Have you ever wondered why we cannot breathe underwater although water contains oxygen.
This Ramadan, why not make the month-long fast more fun and carry out one or more science activities with your children?
The environment-friendly scientific communities have provided nanotechnology solutions to the problem of chaning air properties.
Water-repelling sand is an example of how nanotechnology can lead to drastic changes in the behavior of materials.
Wild animals in captivity are denied everything; they are unable to do what is natural and important to them.