Voice recognition is one of the wonders of modern technology.

Nearly three million people around the world have multiple sclerosis, or MS. In the United States...

Every day, hundreds of millions of people around the world use computer apps such as Dropbox, Gma...

Within our solar system are four giant planets. We have named them the outer planets because they...

In the United States, Down syndrome is the most common chromosomal disorder. And around the world...

About 280 million people around the world have depression.

A democracy is a form of government in which ordinary people take part in running their country a...

A dictatorship is a form of government in which one person or a small group of people hold total ...

The parliamentary system evolved from monarchy, yet it involves people in the rule of their count...

Beyond our solar system is an enormous expanse of stars, other solar systems, glittering galaxies...

Socialism is a political and economic system with the key aim of making society more equal. But c...

Today, we can connect to the Internet just about anywhere, and it's all thanks to Wi-Fi. But what...