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It's official - screens are bad for young brains
parentology.com/i… 

It’s no secret — screens aren’t the best babysitter for children. And now, a study that looks at screen time and children’s brain development shows, in blazing color, why they might be even worse for your kids than originally thought. In fact, the study, which was released in November 2019, indicates early screen use might actually impede your child’s brain development.

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The Great Colombian Morse Code Song
exploratorium.edu… 

Listening to the radio was one of the few luxuries afforded to FARC prisoners, at least according to the accounts of former hostages. Colonel Jose Espejo, who was heading up the rescue mission, wondered if there was any way to broadcast a message over the radio that only the soldiers would understand. He needed to create an audio Trojan Horse, something that seemed like a normal broadcast but which was in fact a vehicle for delivering a covert message.

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Sweden gives all employees time off to be entrepreneurs
weforum.org/agend… 

For the last 20 or so years, workers in Sweden have enjoyed an unusual perk – a statutory right to take six months off and start their own business.

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Why so many of the world’s oldest companies are in Japan
bbc.com/worklife/… 

The country has 33,000 businesses at least a century old. How have so many survived – and what does it mean for Japan’s future?

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Crypto AG - a Swiss company
en.wikipedia.org/… 

Crypto AG was a Swiss company specializing in communications and information security. It was secretly jointly owned by the American CIA and West German intelligence agency BND from 1970 until about 1993, with the CIA continuing as sole owner until about 2018.

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How smallpox claimed its final victim
bbc.com/news/uk-e… 

In the summer of 1978, the last known case of smallpox was reported, claiming the life of 40-year-old medical photographer Janet Parker. But how did the disease, thought to have been eradicated across the world, come to be in Britain's second city?

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Loudness war
en.wikipedia.org/… 

The loudness war (or loudness race) refers to the trend of increasing audio levels in recorded music, which reduces audio fidelity, and according to many critics, listener enjoyment. Increasing loudness was first reported as early as the 1940s, with respect to mastering practices for 7" singles.

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