{"version":"1.0","provider_name":"BIOENGINEER.ORG","provider_url":"https:\/\/bioengineer.org","author_name":"BIOENGINEER.ORG","author_url":"https:\/\/bioengineer.org","title":"Oxygen variation controls episodic pattern of Cambrian explosion: study","type":"rich","width":600,"height":338,"html":"
Oxygen variation controls episodic pattern of Cambrian explosion: study<\/a><\/blockquote>