Happier People Stay Healthier

Happiness may be a key to staying healthy in old age. A new long-term study involving nearly 3,200 people ages 60 and older found that those who enjoy life are better able to handle physical activities such as eating, getting dressed, and showering; the} even walk faster. By contrast, the unhappiest people were about 80 percent more likely to have […]

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The Befuddling Effect of Poverty

The strain of worrying constantly about making ends meet depletes poor people’s brainpower, making them more likely to make bad decisions that can perpetuate the cycle of poverty. In fact, Princeton University researchers conclude in a new study, just feeling poor can quickly knock 13 points off a person’s IQ.To determine how financial worries affect thinking, the researchers posed various […]

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Chimps: Natural-born killers

Why do chimpanzees kill one another? For years, many studies have shown that chimps that were observed killing one another had become more aggressive only when humans encroached on their environment. But new studies have lent weight to an alternative theory: Chimpanzees are, like humans, natural-born killers who use violence as a means of expanding their territory and increasing their […]

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Chinese waste-to-energy plant will be a mile in circumference

On the mountainous outskirts of Shenzhen, a fast-growing mega-city in China, the largest waste-to-energy plant in the world is on the horizon. You can bet that this disk-shaped trash-burning plant isn’t going to do any wonders for China’s notoriously bad air quality. It’s projected to burn 5,500 tons of trash per day — one-third of the waste Shenzhen produces. But the alternative […]

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