Within our solar system are four giant planets. We have named them the outer planets because they...
A democracy is a form of government in which ordinary people take part in running their country a...
The parliamentary system evolved from monarchy, yet it involves people in the rule of their count...
Networks revolutionized computer technology and the way we share information. But what is the sto...
From the tiniest bacteria to the tallest trees, almost all life on Earth depends on the sun. But ...
Voice recognition is one of the wonders of modern technology.
Socialism is a political and economic system with the key aim of making society more equal. But c...
Beyond our solar system is an enormous expanse of stars, other solar systems, glittering galaxies...
Today, we can connect to the Internet just about anywhere, and it's all thanks to Wi-Fi. But what...
Earth is an amazing place, and the crater-filled moon that orbits it is no less intriguing. But w...
Every day, hundreds of millions of people around the world use computer apps such as Dropbox, Gma...
A dictatorship is a form of government in which one person or a small group of people hold total ...