Reviews Life’s Ratchet: How Molecular Machines Extract Order from Chaos by Peter M. Hoffmann Share this: Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print By Science News February 7, 2013 at 2:28 pm Explore life at the smallest scales in this look at how molecules within cells operate like machines to keep organisms alive. Basic Books, 2012, 278 p., $27.99