With every new feat, there is at least one big failure. Learn about some of the biggest technological feats and failures in human history in this fascinating no

With every new feat, there is at least one big failure. Learn about some of the biggest technological feats and failures in human history in this fascinating no

Toilets and telephones-we all use them, but who invented them? And how did people every cope without them? Read the stories behind these life-changing creations

With every new feat, there is at least one big failure. Learn about some of the biggest technological feats and failures in human history in this fascinating no

Did you know that about 40 percent of the world's population lives without toilets? That's more than two billion people, most of whom live in rural areas or cro