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Why Is Pink for Girls and Blue for Boys?Most sociologists think these color-gender norms are a recent phenomenon, and have no basis in biology.
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Former Global Warming Skeptic Makes a 'Total Turnaround'Richard Muller says his new study shows global warming is almost entirely caused by greenhouse gas emissions by humans.
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What Are the Ingredients of an Olympian?Olympic athletes are clearly born with certain natural advantages. But what are they?
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Ryan Lochte vs. Michael Phelps: Why Rivalries Make Us BetterResearch shows rivalry can boost athletic performance by as much as 2 percent, and having a rival helps motivate people in their daily lives, too.
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The 7 Biggest Mysteries of the Human BodyYou might think scientists would have charted every aspect of their home turf by now, but they haven't: The human body still harbors mysteries aplenty.
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Why Dogs Chase Laser Beams (and Why It Can Drive Them Nuts)Most dogs can't stop themselves from chasing beams from laser pointers, but the intangible nature of the beam can leave them unfulfilled.
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Why Is Everyone on the Internet So Angry?The anger and hatred spewed in Internet comment threads damages society, as well as people's health, psychologists say.
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Firewalking Physics: The Wrong Way to Walk on Hot CoalsSomething went terribly wrong at a motivational seminar last week, when attendees failed to walk across hot coals. Here's how to — and how not to — firewalk.
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Why Aren't There Any Openly Gay Astronauts?There has never been an openly gay or lesbian astronaut at NASA. Sally Ride's legacy could change that.
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Could Concealed Handguns Have Prevented the Colo. Shooting?Some have argued that if more citizens carried concealed weapons, an armed moviegoer could have prevented the Colorado shooting. Experts cast doubt on this notion.
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When It's Raining, Should You Walk or Run?The age-old question of whether to run or walk in the rain has a new answer. In most cases, you can keep driest by running as quickly as possible.
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Why Gun Control Is So Contentious in the US
Gun control was widely supported at the time of the nation's founding. Today, no one can agree on ways to prevent tragedies like the theater shooting in Colorado. Here's why things changed.
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We Punish Out of a Desire for Fairness, Not RevengeEvolutionary psychologists have teased apart competing theories for why humans feel the urge to punish others. The new research suggests we do it to maintain fairness.
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'Invisible UFOs' Fill the SkiesNight vision cameras have revealed a new class of UFOs that only emit infrared light. What are they?
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The Physics of NYC Man's Heroic Catch of Falling Child
An NYC bus driver caught an autistic child mid-air after she plunged three stories from the window of a building. How was this possible?
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The Smarter Sex? Women's Average IQ Overtakes Men'sIn a new study comparing men's and women's IQs, women have the edge for the first time in a century.
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Does New Tree Ring Study Put the Chill on Global Warming?Climate change deniers are touting a new study as evidence against global warming, but they're grossly misconstruing it.
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What Would Happen If a Lion Fought a Tiger?Opinion Lions and tigers each have fighting advantages over the other, but ultimately, the tiger has an edge. Here's why.
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Pluto Remains Shrouded in MysteryConsidering all the mysteries that remain, Pluto's newfound moon almost definitely won't be the last of its surprises.
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Notion that Liars Glance to the Right DebunkedConventional wisdom on how to spot a liar bites the dust thanks to new research.
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What Should Pluto's New Moon Be Named?A fifth moon has been spotted orbiting the dwarf planet Pluto. What will this
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Booze May Be Good for Old BonesLater in life, moderate drinking can help keep your bones dense, a new study finds.
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Do Sunrises Look Different from Sunsets?If you woke up out of a coma just as the sun sat perched on the horizon, would you know dawn from dusk?
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Why Does a Breeze Feel Cool?When jiggling is what makes air molecules hot, why does air in motion feel cold?
