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Parents may help prep kids for healthier, less violent relationships

Warm, nurturing parents may pass along strategies for building and maintaining positive relationships to their kids, setting them up for healthier, less-violent romantic relationships as young adults, according to researchers. Researchers found that when adolescents reported a positive family climate and their parents using more effective parenting strategies — like ...

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The Creepy Genetics Behind the Golden State Killer Case

For the dozen years between 1974 and 1986, he rained down terror across the state of California. He went by many names: the East Side Rapist, the Visalia Ransacker, the Original Night Stalker, the Golden State Killer. And on Wednesday, law enforcement officials announced they think they finally have his ...

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Mercury’s thin, dense crust

Mercury is small, fast and close to the sun, making the rocky world challenging to visit. Only one probe has ever orbited the planet and collected enough data to tell scientists about the chemistry and landscape of Mercury’s surface. Learning about what is beneath the surface, however, requires careful estimation. ...

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Delivery Bots Have Awkward Sidewalk Interactions, Too

Self-driving cars have it rough. They have to detect the world around them in fine detail, learn to recognize signals, and avoid running over pets. But hey, at least they’ll spend most of their time dealing with other robot cars, not people. Now, a delivery robot, on the other hand, ...

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Did last ice age affect breastfeeding in Native Americans?

The critical role that breast feeding plays in infant survival may have led, during the last ice age, to a common genetic mutation in East Asians and Native Americans that also, surprisingly, affects the shape of their teeth. The genetic mutation, which probably arose 20,000 years ago, increases the branching ...

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Just How Random Are Two Factor Authentication Codes?

You know two-factor authentication tokens, the ephemeral, six-digit numbers you use as a second layer of security when logging into, say, your email? Those constantly updating, randomly generated numbers are one of the easiest ways to protect your accounts from being hacked. But for some time now, I’ve harbored a ...

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Machine Learning’s ‘Amazing’ Ability to Predict Chaos

Half a century ago, the pioneers of chaos theory discovered that the “butterfly effect” makes long-term prediction impossible. Even the smallest perturbation to a complex system (like the weather, the economy or just about anything else) can touch off a concatenation of events that leads to a dramatically divergent future. ...

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