Real life situations such as travelling over time and across distance can be drawn on a graph. Exact distances and times are plotted on the graph. These are shown as co-ordinates. These points are ...

STEP 1: Place a coin on a flat surface. Next to it, place four coins in the shape of a square. Image caption, STEP 2: Repeat this four times, increasing the size of the square by 1 coin in width and ...

Anyone who regularly reads life science literature often comes across names of genes, proteins or small molecules that they would like to know more about. To make ...