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The Science Behind Our Pumpkin Spice Obsession

Rimma_Bondarenko/iStock via Getty Images

The Science Behind Our Pumpkin Spice Obsession

Watch—and Listen—to a Tortoise Snacking on Veggies in Adorable ASMR Video

Mark Kolbe/Getty Images

Watch—and Listen—to a Tortoise Snacking on Veggies in Adorable ASMR Video

The Reason Coffee Makes Some People Sleepy

"Why isn't this working?"

The Reason Coffee Makes Some People Sleepy

Watch an Orange Square Appear to Change Colors in This Optical Illusion Video

This background is basically an invitation for your brain to play tricks on you.

Watch an Orange Square Appear to Change Colors in This Optical Illusion Video

What Is the Mandela Effect?

Media24/Gallo Images/Getty Images

10 Uncanny Examples of the Mandela Effect

The Mona Lisa, by Leonardo da Vinci

Why Do We Love to Squeeze Cute Things?

whyframestudio/iStock via Getty Images

The Difference Between Dementia and Alzheimer's, Explained

Dementia and Alzheimer's have different meanings.

Can You Spot the Three Olympic Medals Hiding In the Cryptocurrency?

Mike Rogalski / Eyewash

The Reason Reading Makes You Sleepy

The book didn't stand a chance.

Could a Zombie Survive On a Diet of Human Brains?

Mmmmm ... brains!

When Your Mom Mistakenly Calls You By Your Sibling’s Name, It’s Because She Loves You

"You know I know your names, right?"

6 Scientific Reasons You Should Be Reading More

Reading has some surprising benefits.

6 Reasons Why We Love Small, Cute Things, According to Science

Dog shown actual size.

8 Facts About Seasonal Affective Disorder

iStock/Martin Dimitrov

Common Misconceptions About Depression

Justin Dodd, ready to debunk mental illness myths.