Why You Can Remember Faces But Not Names, the Science-Backed Way to Flirt with Someone, and the Ice Bucket Challenge Just Won't Quit
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Time for our weekly roundup. Gather 'round and scroll down for the latest and greatest headlines in health, fitness, and otherwise interesting news. 

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1. The Ice Bucket Challlenge continues to grow. You probably heard about the Ice Bucket Challenge for ALS awareness sweeping social media. Well, the frenzy continues to grow, and as of this week, the ALS Association reports that it's received more than $4 million in donations. While the challenge was started by Boston resident Pete Frates, athletes, celebs, and other influential figures (including President Obama, who's been dared!) have gotten in on the act. 

2. Even filler words can't escape the battle of the sexes. A University of Pennsylvania professor looked at some linguistics data sets and found that men tend to say "uh" and women say "um" when in need of a filler word. It also seems that dudes tend to use filler words more in general (ha! can't win 'em all, guys), and that the gender divide evens out as both sexes get older. 

3. Don't know how to flirt? Science to the rescue. Because there exists a study for literally every topic you could think of, a doctor at Webster University in St. Louis decided to take a look at the mechanics behind flirting and determine whether it works, and if so, what type is most successful. What'd she find? (We know, you're dying to find out.) When it comes to flirting, it's not the people who are most physically attractive who have the most success; rather, it's those who are able to signal their confidence (through eye contact or smiling) who are most approached. 

4. There's a reason you can remember faces but not names. If you've ever been introduced to someone at a party only to literally forget their name six seconds later, you're not alone. Your short-term memory may be to blame: Also called your "working memory," it functions like a "leaky thermos...it doesn't hold much and it spills out all the time," psychology professor Paul Reber told The Atlantic. It's also possible you're just not interested, of course. 

5. How GMO crops overtook the U.S. The U.S. Department of Agriculture recently published a report that shows how the presence of GMO crops in the U.S. has grown over the years. Vox condensed some of the highlights down into a nifty graphic, and it's worth taking a look. The most telling stat? More than 93 percent of corn, soybean, and cotton crops are genetically modified in some way. 

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