This IQ test is three questions long 🤓

Read more of today's topics... Today's Topics: [The World's Shortest IQ Test Is Only Three Questions]( 1) PERSONAL GROWTH [Can You Pass the Shortest IQ Test Ever?]( Here's a hint: your first guess is probably wrong. [SHORT AND SWEET AND SMART]( [Learn more about RevenueStripe...]( [The World's Oldest Known Pool of Water is a Staggering 2 Billion Years Old]( 2) SCIENCE & TECHNOLOGY [This Pool of Water Is Older Than Multicellular Life]( But, like, can we drink it? [Read more ➞]( [How Phineas Gage's Freak Accident Changed Brain Science Forever]( 3) MIND & BODY [How a Railroad Spike Changed Brain Science]( Most people aren't as lucky as Phineas Gage. [Read more ➞]( [Conjuring Ghost Trains Could Make Train Tracks Safer]( 4) BRILLIANT PRODUCTS ["Ghost Trains" Can Make Railroads Much Safer]( How ghosts can keep real trains running. [Read more ➞]( [If You Want to Live Longer, Become a Parent]( 5) CURIOUS PARENTS [Having a Kid Might Be the Key to a Long Life]( Discover why research suggests kids really do care for you in old age. [Read more ➞]( What We're Into: [Women in Science]( [Women in Science: 50 Fearless Pioneers]( Okay, so we already have our walls plastered in Jane Goodall and Marie Curie posters, but this book really opened our eyes to a whole new world of [scientific women who blazed the trail to tomorrow](. We put it at the top of our holiday wishlist — then scratched it off and bought it for ourselves. If you pick it up for yourself, you'll help support Curiosity as well. [Meet your new heroines ➞]( Got a Question? If there's something you're curious about, then we guarantee we're curious about it, too. Write in your questions to thequestion@curiosity.com and we just might feature you in The Answer, published in the newsletter every Saturday. [DISCOVER MORE AMAZING STORIES]( You Might Like [Learn more about RevenueStripe...]( SMARTEN UP YOUR SOCIAL NETWORK [Facebook ]( [Twitter ]( [Instagram ]( You are receiving this message because you signed up to receive emails from Curiosity. [Unsubscribe]( | [Privacy Policy]( | [Update Email Preferences]( 4809 N Ravenswood Ave, Chicago, Illinois 60640