Views and opinions expressed by authors and advertisers are not necessarily those of the editors or EIROforum.
We make every effort to ensure that Science in School articles are factually correct. Should significant errors nonetheless occur, these will be corrected in the online (HTML) version of the article.
We are grateful to all those who volunteer to translate articles for the Science in School website (see our guidelines). We are, however, unable to check the individual translations and cannot accept responsibility for their accuracy.