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Like people who share news via Twitter, Facebook and Linkedln, cells, too, make use of multiple modes of information exchange. Some send out hormones, which travel far and wide via the bloodstream; others emit neurotransmitters, which carry signals between one neuron and another. But virtually all cells network with their neighbors via extensive collections of channels that directly connect the inside of one cell with the inside of the next.

2016 is the year of the monkey. According to Chinese astrological tradition, monkeys are supposed to be intelligent, quick-witted, clever, ambitious and adventurous. All of these attributes will be in high demand as China negotiates the complex policy challenges before it in the year ahead. China will be preoccupied with intense preparations for its 19th Party Congress in 2017. Other than President Xi Jinping and Premier Li Keqiang, the five other members of the existing Politburo Standing Committee will reach retirement age.