Source: http://theconversation.com/famines-in-the-21st-century-its-not-for-lack-of-food-73587 What is the main idea of the fourth paragraph of the text?

There have been amazing world-breaking scientific advances. However, the dark cloud on the horizon is the emerging Ebola epidemic in West Africa and the warning undercurrent that comes with it. At the...

A dead language is a language that no longer has any native speakers, although it may still be studied by a few or used in certain contexts. If there are only a few remaining elderly speakers of a lan...

Centuries prior to the Internet, much earlier than the steam engine, and well before the arrival of the airplane, there still existed a way to connect the world. The Silk Road, the trading path betwee...

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