On a square sheet of paper cut from the corners four straight-line incisions. Fold toward the middle every second end, …

The paper ball is very interesting project consisting of three circles of paper A, B and C. The three parts should be …

To make this harmless and loud toy – the Paper Banger, we need strong sheet of paper size 6,3 x 9,5 inches (16 x 24 cm)…

It is very easy to make a Paper Cup and use it as a drinking cup, in cases when we are forced to drink water with our h…

One of the most important construction projects in the history of mankind was the building of the Panama Canal . The P…

One of the most important construction  projects in the history of mankind was the building of the Panama Canal. The …

The need for care of the weak and sick exists ever since the earliest days of human society. However, people much later…

Today, it is quite normal that we send and receive by mail letters and packages. However, although the idea of the post…

History of Banking Today banks provide a variety of services, but they actually have two main tasks. The first task is…

What is Heliograph?  Sometimes when you are in open country, you may catch a flash of sunlight on the windshield of …

In 1832, an American artist sailed home from Europe. He had spent some time painting in Europe and hoped to sell his p…

Throughout history, armies and navies have sent messages across battlefields. Simple orders like “Advance” or “Retrea…

The relay game - Games for youth groups  Playing the relay game shows how easy it is for relayed messages to be chang…

The tropical rain forests provide scientists with an enormous variety of plants. Some of these plants contain special c…

Some diseases are caused by larger creatures called protists and also by worms. These larger invaders are sometime…

Some diseases which are caused by viruses, such as cholera, will make you ill only once. How does your body stop you f…

What does the Pituitary Gland do? The balance of hormones in your blood is controlled by the pituitary gland, which l…

Hormones control the different parts of your body, so that everything is regulated.  Hormones are regulators of chem…

Are you tall for your age, or short? How tall you grow depends mostly on chemical substances called hormones, whic…

Human brain receives messages from all over the body and sends messages in return. This is how coordination of all the…