JONNY NELSON: Energy. There are lots of different types and lots of different ways of storing it. Chemical energy in a sparkler, elastic potential energy that fires a toy into the air, and many, many ...
TOKYO, JAPAN: Japanese businessmen take naps on benches in Hibiya park, central Tokyo, (Photo by YOSHIKAZU TSUNO) Microbreaks are short, unscheduled breaks during the workday. During a microbreak, an ...
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