To get email notification of new content, change your preferences settings. Sign in first. Then click on the icon under your name called 'account options' and choose 'edit profile' in the dropdown menu. Now click on 'Notification preferences' in the new menu below your name. Under 'Category Notifications' click on the boxes under the Email heading as you desire.
Living without oxygen
This article made me think of something that I think Celine Guerin said during the conference in April, that we could live without oxygen https://www.newscientist.com/article/dn25894-meet-the-electric-life-forms-that-live-on-pure-energy/