Nature. 548(7668):494, AUGUST 24, 2017 DOI: 10.1038/548494a , Issn Print: 0028-0836 Publication Date: August 24, 2017 Print Excerpts from the 100-day food diary of Angela Meyer Beth Cato; + Author Information 1 Beth Cato resides in Arizona. She is the author of the Clockwork Dagger steampunk fantasy series from Harper Voyager. Her website is BethCato.com. Checking for direct PDF access through Ovid Abstract The road to change.