Healthy eating doesn't have to be expensive. Or particularly difficult either.

Wolfram Alpha can be a bit of fun…

Wolfram Alpha – http://www.wolframalpha.com/ – doesn't appear to be a 'Google killer' at the moment and it's not impressive enough to make a serious difference to a lot of academic research. Let's hope the service improves over time. However, Karen Blakeman explains why Wolfram Alpha isn't up to scratch yet in this piece.