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Observations

The Day the World’s ATMs Stood Still—or Didn’t

Image courtesy of Shaners Becker, via Wikimedia Commons.

You’re probably on tenterhooks wondering what will happen to your reliable, convenient ATM on April 8, the day Microsoft officially sticks a fork in its hugely popular Windows XP operating system. You’re not? Did you know that more than 75 percent of the world’s automated teller machines use XP? And that an outdated operating system [...]

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Observations

What Are the Warning Signs of Tipping Points?

largemouth bass, ecosystem, Peter Lake

Predictions of tipping points in ecology, climate change, medical outcomes and other complex systems are a primary goal for many researchers. The pursuit of insights into the timing of critical transitions is no easy way to make a living, particularly because random events can trigger such changes and warning signs are easily missed or misinterpreted. [...]

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