Some of the most frequently uttered words by children are how, why, where, when and what. For some people, this questioning continues into adulthood, and this is precisely what encourages learning and the gathering of knowledge. If you have burning questions that you need answered about the world around you, HowStuffWorks may be the app you have been looking for.

The app provides access to's online library of podcasts and expert videos, in which you can learn about everything from technology to the weather. With an extensive collection of articles available online, the app is an excellent source of information on all manner of topics.

Everything is explained as clearly as possible, so even the most complicated of subjects is broken down into easy digestible chunks that are more easily understood.

Anyone who already makes use of the HowStuffWorks web site will be suitably pleased with this iOS app, although the presence of ads is a slight annoyance. Support for push notifications means that you will be informed as soon as there is a new episode or podcast available so you need never miss out on gaining more knowledge.

Verdict ratingsratingsratingsratingsratings

Whether used for fun or genuine research, HowStuffWorks is a great learning tool.