Environment Transportation Mother Nature's Pop Science Guide to Cycling By Staff Author Updated November 04, 2019 Share Twitter Pinterest Email Transportation Active Automotive Aviation Public Transportation From the penny-farthing to the pedicab, bicycles are some of humanity's most versatile vehicles. In honor of their pedal-powered practicality — not to mention their health and environmental benefits — here's our pop science guide to the wild world of cycling. Related cycling stories on MNN: 10 bike-friendly cities around the globe For $9 in materials, a practical cardboard bike Politician apologizes for insulting cyclists Roadkill survey turns cyclists into scientists