body: //div[contains(concat(' ',normalize-space(@class),' '),' entry-content ')]

author: substring-before(//div[contains(concat(' ',normalize-space(@class),' '),' entry-content ')]//strong[text()='Auteur :']/following-sibling::em, ',')

strip_id_or_class: sharify-container

# strip the "read also" paragraph about related article:
strip: //strong[text()='Lire aussi']/following-sibling::a[contains(@href, '//www.natura-sciences.com/')]/parent::p

test_url: http://www.natura-sciences.com/agriculture/miscanthus-huile-de-ricin-biosource.html
test_url: http://www.natura-sciences.com/environnement/montagne-dor-guyane-projet-minier.html