Reviews Life’s Ratchet: How Molecular Machines Extract Order from Chaos by Peter M. Hoffmann By Science News February 7, 2013 at 2:28 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print 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