Four sites you should see

There is something special about the tricks and tips people come up with to turn old or useless objects into something fresh and useful. Turning an old gadget or piece of furniture into something completely new is a great way to extend its life, and here are some of our favorite conversions from the last year.

D. Why Dreams Are Forgotten After Waking

Facebook‘s nudity and violence guidelines are laid bare

Nipples are rude but crushed limbs are OK – a document leak has revealed the social network’s attitudes to sex and violence

10 Common Misconceptions Dispelled