re than five hundred people had died in just five days. All in one small neighborhood. A disproportionate number of them children. It was 1854 and this was one of the worst cholera epidemics London had ever seen. The cause was a mystery and until it was found, children would keep dying. The bacterium Vibrio cholerae infects the small intestine and basically squeezes the water from your body until your organs fail. How does it get from one person's intestine to…
u don’t get a name like “The Black Death” for nothing. "The Foster scale" is the Richter scale for historical catastrophes. On its list of high scorers, The Black Death comes in at #2. Throughout all of recorded history, only World War 2 produced more death and suffering than the plague did. From The Great Mortality: According to the Foster scale, a kind of Richter scale of human disaster, the medieval plague is the second greatest catastrophe in the human record.…
was 1962, the girls wouldn’t stop laughing and nobody knew why. And even stranger, the laughter was spreading. Like a virus. This was at an all-girls school in Kashasha, Tanzania. A few students had started laughing and they couldn't stop. And this inexplicable behavior spread from girl to girl until 95 of the 159 students were affected. After 6 weeks the school had to close because of it. But that didn't stop the laughter. It had already spread to a…
acked accounts in the news. Endless robocalls. Online ads that eerily seem to read your mind. Do I hear Alexa and Siri gossiping about your secrets? It almost feels like paranoia is a totally appropriate reaction. In 2018 alone, data breaches exposed four-point-five billion records to hackers. Three months into…
ou have a long list of things you know you should be doing regularly... But for some reason, you just don't do them. What's the deal? The solution is building habits. Doing hard things isn't hard if you're on autopilot. But how do we make building habits simple and painless?…
veryone wants to know what the next great investment is. But that's the wrong question. If you want to make money over the long haul, picking investments isn’t the real problem. When studies compare how well investments perform to how well investors perform there's always a gap. Investors almost invariably…
e'd all like to have more money. (That stuff is really useful, ain't it?) Being worried about makin' the bacon can end your marriage, skyrocket your blood pressure, and even cause your brain to malfunction. From Dollars and Sense: How We Misthink Money and How to Spend Smarter: Money is…
ot any serious bad habits? The extra-strength ones with the FDA warning. The kind you really beat yourself up about -- but still engage in all the time? Procrastination that screws up the quality of your work? Epic tidal waves of laziness? Or cardiac-threatening levels of overwork? Snapping at the…
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