On Facebook.com, hover the mouse over the Like icon. A pop-up box of reactions appears above it. In the mobile app, long press the Like icon to trigger the reactions to pop up. To see a breakdown of ...

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This story is from The Pulse, a weekly health and science podcast. Find it on Apple Podcasts, Spotify, or wherever you get your podcasts. In 2021, computer scientist Laura Edelson got banned from ...