Every fact, in one place.

Ancient Faith Before Farming? #2242

The world's oldest known temple, Göbekli Tepe, suggests organized faith may have existed before agriculture and cities.

Your Brain on Curiosity #2450

Curiosity releases the brain chemical dopamine, which boosts your memory and makes learning more rewarding.

The Heart Held All Wisdom? #2672

Ancient Egyptians believed the heart, not the brain, was the source of all wisdom and intelligence.

The Selfless Secret to a Longer Life

Practicing selflessness can lower stress levels and is linked to a longer lifespan.

The Science of a Real Smile

A genuine smile of joy, called a 'Duchenne smile,' uses the muscles around your eyes, not just your mouth.

A Soul Weighs 21 Grams?

In 1907, a doctor claimed the human soul weighs 21 grams after measuring patients at the exact moment of their death.

Why Rejection Literally Hurts

Your brain processes the pain of social rejection in the same areas it processes physical pain.

Trivia

25 is the minimum age of candidates for election to the United States House of Representatives.

Your Heart vs. The Feather of Justice

Ancient Egyptians believed your heart was weighed against the feather of justice to determine your fate in the afterlife.

Your Heartbeat's Secret DJ #2709

Your heartbeat changes and mimics the tempo of the music you are listening to.

Trivia

194 is the number of episodes of I Love Lucy that ran on CBS from 1951 to 1960.

Tesla's Strangest Love Story

Nikola Tesla once fell in love with a pigeon, stating, 'I loved that pigeon as a man loves a woman, and she loved me.'

A Flower Worth More Than a House!

During Tulip Mania in the 1630s, a single tulip bulb could be worth more than a house.

Your Brain's Ultimate Flip! #4734

Your eyes actually see the world upside down, but your brain flips the image for you.

The Spirit Level Inside Your Head

Tiny fluid-filled canals in your inner ear act like a spirit level, telling your brain how your head is oriented to maintain balance.

The Secret to a Long Life? Community!

In 'Blue Zones,' regions with the longest-living people, a strong sense of community is a key factor for longevity.

Trivia

100 is the number of runs required for a cricket batsman to score a century, a significant milestone.

Paid Vacations Are a Human Right!

The Universal Declaration of Human Rights states that everyone has the right to rest, leisure, and periodic holidays with pay.

Shrink Your Brain's Fear Center? #1870

Mindfulness can physically shrink the brain's fear center, the amygdala, reducing stress.

The First Webcam's Real Job

The world's first webcam was invented at Cambridge University to monitor a coffee pot.

The Secret Christian Password

Early Christians used the fish symbol as a secret password to identify each other during Roman persecution.

Can Grief Actually Break Your Heart? #3533

Grief can literally break your heart; a medical condition called takotsubo cardiomyopathy is triggered by intense emotional stress.

Tortoises Orbited the Moon First! #4539

Two Soviet tortoises were the first living beings to circle the Moon and return safely to Earth in 1968.

The Secret to Buying Happiness

Spending money on experiences brings more lasting happiness than buying material possessions.