intelligence

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14 Easy Brain Exercises That Help You Get Smarter

Would you believe that brushing your teeth with your non-dominant hand can stimulate your grey matter? Try it out—along with 13 more everyday activities that exercise your brain.

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Word Power: Test Your Knowledge of These Evocative Adjectives

Whether we seek precision, beauty or both, much of the subtlety of language comes from its adjectives. Here are some...


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Can You Pass This Quiz of 4th Grade Science Questions?

Elementary school science is probably where you learned about how the natural world works. Take this quiz to see how...


This is the Smartest Zodiac Sign, According to Astrologists

Each zodiac sign has its strengths and weaknesses, but when it comes to intelligence, astrologists say these two stand out...


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Boost Your Brain Power With These Tricky Puzzles

Your brain isn’t a muscle—in fact, it’s mostly fat!—but the right kind of mental exercise can help keep it in...

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Can You Solve These Surprisingly Tricky Riddles For Kids?

"What's really easy to get into, and hard to get out of?"


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The Funniest Light Bulb Jokes on the Internet

Q: How many actors does it take to change a light bulb?
A: Only one. They don't like...

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Word Power: Can You Match These Tricky Terms With Their Definitions?

Centuries of trade between Middle Eastern and European merchants brought more than silks and spices to the West. Find out...


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19 Christmas Brain Teasers That Are Almost Impossible to Solve

Take a break from holiday shopping and decorating to solve these tricky brain teasers.


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100+ of the Best General Knowledge Quiz Questions

Not counting the Earth, which is the only planet whose largest moon is named after a female figure? Which country...


20 Brainteasing Puzzles for National Puzzle Day 2021

Jan. 29 is National Puzzle Day—give your grey matter a workout with these tricky brain teasers!

This Is What Happens to Your Brain When You Do a Puzzle

Whether you're into crosswords or just enjoy sitting down to a thousand-piece jigsaw, puzzling can be a whole lot of...


15 Mnemonic Devices That’ll Help You Remember Just About Anything

"Thirty days hath September" is so last year. Check out these other clever, helpful mnemonic devices to help you remember...



17 Hard Math Problems That’ll Make Your Head Spin

These brain-teasing hard math problems are tricky, but they'll give your brain a workout—and they're really rewarding when you figure...


Can You Find the Cat Hidden in This Photo of Bats?

This puzzle is tricky—the cat looks just like the bats except for one main thing: it doesn't have wings!

Only Two Per Cent of People Can Solve Einstein’s Riddle—Can You?

Yes, it is as difficult as it looks. But we believe in you!


The Real Reason People with Glasses Look Smart

If you've ever dressed up like a "nerd" for Halloween, glasses were likely a mandatory part of the costume. But...


14 Amazing Things You Didn’t Know Elephants Could Do

These majestic animals are smarter than you think. For Save the Elephant Day on April 16, learn why they're so...


Why Dolphins Are the Second-Smartest Creatures on the Planet

These big-brained marine mammals are chatty, playful creatures that we humans find it easy to identify with, but scientists are...


How Smart Are Elephants Really?

There's a reason behind the old adage, "an elephant never forgets." Read on to learn more about these brilliant, beautiful...


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The 20 Smartest Dog Breeds, Ranked

Dogs are way smarter than we give them credit for.


24 Words That Don’t Mean What You Think They Do

Have you ever heard someone say, "I was literally scared to death?" That's impossible because the dead can't talk. Even...


13 Simple Ways to Tell if Your Dog Is Smart

Your dog's annoying traits might be signs of intelligence.


18 Latin Phrases That Will Make You Sound Smarter

After all, omnia dicta fortiora si dicta Latina.

24 Words (and Phrases) That Make You Sound Stupid

Big words, business jargon and hyperbole intended to pump up your language only have the opposite effect. Check yourself before...


Why You Should Never, Ever Call Your Kid ‘Smart’

It's natural for parents to want to praise their child, but offering this compliment could actually backfire, according to science.


16 Ways Dogs Are Smarter Than You Think

When it comes to intelligence, dogs are at the head of the class.



This One Food Can Help You Fall Asleep—and Boost Your IQ

Adding this one healthy and delicious food to your diet can help you fall asleep, and it may actually boost...


Feed Your Baby This Food If You Want to Raise a Genius

Pediatricians have advised parents to wait till babies are at least one year-old before introducing this brain food, but that...