Reality, Algorithms, Moral Clarity, QAnon, Arctic Circle Heat - Five Things - Issue #503

What the science of visual illusions can teach us about our polarized world.

In what may be the first known case of its kind, a faulty facial recognition match led to a Michigan man’s arrest for a crime he did not commit.

These writers see the spectre of totalitarianism in an emerging new political consensus—one that they believe challenges the primacy of traditional liberal values.

Guardian investigation finds more than 3m aggregate followers and members support QAnon on Facebook, and their numbers are growing

New observations from a weather station in Siberia illustrate the warming trend taking hold in the Arctic Circle, with scientists logging an extreme temperature of 38 °C (100.4 °F), thought to be a new record for the region.

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