11 Things We Didn’t Know Last Week

News, discoveries and … fun

Two mice

1. Young blood can make old mice more youthful. (Learn more at AARP)

2. Middle-aged women who don’t sleep so well may be in for memory problems later in life. (Learn more at AARP)

MIddle-age woman dozing off

3. The nation’s 65+ population is projected to double by 2050. (Learn more at AARP)

4. Doctors are now implanting tiny pacemakers directly into their patients’ hearts. (Learn more at Gizmodo)

Micra in heart

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5. Until recently, only one goblin shark had ever been caught in the Gulf of Mexico. (Learn more at CNN)

Goblin Shark

6. Spam is being used to track an invasion of big-headed ants in California. (Learn more at Orange County Register)

7. Over their lifetimes, college graduates make about $800,000 more than high school graduates, even factoring in tuition and four years of lost income. (Learn more at Reuters)

Graduates

8. A Chinese company is printing 10 3-D houses a day, at a cost of less than $5,000 for each. (Learn more at BBC)

WinSun-3D-Printed-House-China-2

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9. The late Mad magazine editor Al Feldstein created Alfred E. (“What, me worry?”) Neuman as a mock presidential candidate in 1956. (Learn more at AARP)

Precursor of Alfred E. Neuman from an early 20th century postcard

Precursor of Alfred E. Neuman from an early 20th century postcard

10. If you’re more afraid of sharks than mosquitoes, you don’t know much about the world’s deadliest animals.  (Learn more at Washington Post)

Washington Post graphic on deadliest animals

Washington Post chart

11. Apples and strawberries top the “dirty dozen” fruits and veggies, while avocados lead the “clean 15.” (Learn more at AARP)

Bonus video: A new “singing nun,” from the Italian version of The Voice, is making waves, with 47+ million views on YouTube.

YouTube Preview Image

Learn something this week? Mail your ideas to 11things@aarp.org, and we’ll try to include your story next time.

On Twitter, we’re using the hashtag  #11things.

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Images - Mice (cropped from original): Nils J./Flickr; Woman napping: DRBimages/iStockphoto; Medtronic Micra – image provided by Medtronic, Inc.; Goblin shark: Photo by Carl Moore/NOAA; Graduation: Community College of Vermont/Flickr; 3-D printed house: 3DPrinterPlans/WinSun; Me Worry? postcard: Wikimedia; World’s Deadliest Animals: Washington Post

Music – The Voice/Italy and Alex Beroza: Spinning via ccMixter 

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