Which is why, on Earth Day 2017, tens of thousands of scientists participated in the March for Science in Washington, while upwards of forty thousand joined science marches in Chicago and Los Angeles—and these were just the largest of more than six hundred marches held across the USA and in sixty-eight other countries. “If we cannot discuss facts openly,” one Stanford biologist told the Guardian, “how can democracy, based on public discussions and trust in our societal truths, survive? And so we will march.” (One chant that made the rounds: “What do we want? Evidence-based research. When do we
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