A comic uses fluid dynamics to explain how groups of people move—and how that could help make large gatherings safer.
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A conversation with a trash man turned sociologist about our dangerous waste problem and the heroics that hide it
Weak science leads to bad forecasting and poor decision making
The signatories, including more than 35 Nobel laureates, decry the “alarming attack on the ability of the US to engage in basic and applied research”
The unmistakable narrator of nature documentaries turns 100 today
