internet search

Searching the Internet Creates an Illusion of Knowledge

Surely you have noticed: A lot of people who have no idea what they are talking about are oddly certain of their superior knowledge. While this disconnect has been a problem throughout human history, new research suggests a ubiquitous feature of our high-tech world—the Internet—has made matters much worse. In a series of studies, a Yale University research team led by psychologist Matthew …

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Light at night can have serious effects

It’s incredibly hard to sleep when light seeps through your curtains or your phone glows from the bedside table. But more and more research is finding that artificial light may be more than annoying. It can be very unhealthy too. The natural 24-hour cycle of daylight and darkness keeps our circadian biological rhythms in alignment. When those rhythms get out of whack, studies have …