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How One Stupid Tweet Blew Up Justine Sacco’s Life

A PR professional should have known better. But mistakes can have serious, disproportionate consequences enacted by vigilante mobs. It may not be fair, but labeling it unfair doesn’t undo the consequences. Sacco’s Twitter feed had become a horror show. “In light of @Justine-Sacco disgusting racist tweet, I’m donating to @care today” and “How did @JustineSacco get a PR job?! Her level of racist ignorance belongs on Fox News. #AIDS can…

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The Hubble spotted this smiley face in space

Reading each other’s facial expressions is so important to our survival as a species that our brains are hardwired to respond to expressions on faces that aren’t even there. This adorable image — in which the galaxy cluster SDSS J1038+4849 seems to be smiling at the camera — comes courtesy of the Hubble Space Telescope. It was spotted by Judy Schmidt, who submitted a version of the image to the Hubble’s Hidden Treasures…