15 common misconceptions and surprising realities about dementia and Alzheimer's disease

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sad old person
Dementia currently affects about 50 million people in the world.

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Twitter's team focused on ethics rushed to publish research papers before Elon Musk's takeover fearing he would lay them off, report says

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Elon Musk greets onlookers with both hands waving, at the 2022 Met Gala
Elon Musk.

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Preston Hemphill, white cop fired as part of Tyre Nichols' arrest, was once praised for his ability to 'extinguish a volatile situation'

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Tyre Nichols protests in Memphis, Tenn
People protest in Memphis following the release of video showing the deadly encounter between police and Tyre Nichols

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Children as young as 10 and rape victims were sterilized in Utah as late as the 1970s. Time is running out to get justice.

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A black and white photo shows men carrying signs reading eugenic slogans like

Two years before beating Tyre Nichols, a Memphis police officer didn't report that a colleague ripped a woman out of her car and dislocated her shoulder just for laughing

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Former Memphis officers officers Tadarrius Bean, Demetrius Haley, Emmitt Martin III, bottom row, from left, Desmond Mills, Jr. and Justin Smith.
Demetrius Haley is one of five former Memphis police officers charged with murder in the death of Tyre Nichols.

Memphis Police Department via AP

A youth mental-health crisis is crushing working parents — and employers need to pay attention

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"The world feels a lot scarier than it used to, and kids are experiencing a lot of anxiety and stress," said Stew Friedman, a professor emeritus at The Wharton School.

Klaus Vedfelt/Getty Images

This story orginally published on April 13, 2022 and was updated on January 30, 2023.

There's a middle ground between burning yourself out and quiet quitting: 'enoughness'

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"Over the last three years, a lot of people have been asking: 'What's enough for me?'" Robert Kelley, a professor at Carnegie Mellon University's Tepper School of Business, told Insider.

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The mysterious iron ball at the center of the Earth may have stopped spinning and reversed direction

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A 3D rendering of the Earth's layers, including its core.
A 3D rendering of the Earth's layers, including its inner core.

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