The United States Postal Service has a lot of ways to move the 484.8 million pieces of mail it handles every day. In rural Alaska, postal workers run hovercraft, prop planes, and the occasional parachute. They pilot boats in the Louisiana bayou and snowmobiles in Colorado, Minnesota, Montana, Utah, and Wisconsin. To reach the Havasupai Indian Reservation town of Supai at the bottom of the Grand Canyon, they go by mule train. And now, to carry the mail from Phoenix to Dallas, they’re letting robots do the work. Read more
USING SCIENCE TO MAKE INFORMED DECISIONS ABOUT RISK
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