How do you survive on less than 25mm of rain per year? Nolana mollis fooled botanists for decades with its brine-coated leaves, but new experiments reveal the real secret lies underground.
Image: Nolana mollis by felipecancino – https://www.flickr.com/photos/felipecancino/4942898032/, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=11958080