There's a jellyfish that can live forever.
Turritopsis dohrnii can revert its cells back to an earlier stage of life—basically hitting the reset button!

Bananas are berries, but strawberries aren’t.
Botanically speaking, strawberries break all the berry rules.

Octopuses have three hearts and blue blood.
And when they swim, two of their hearts stop beating.

Sharks existed before trees.
Sharks have been around for over 400 million years—trees, just 350 million.

You technically glow in the dark.
Humans emit a faint bioluminescent glow—but it’s 1,000 times too dim for our eyes to see.

You’re taller in the morning than at night.
Gravity compresses your spine over the day. You shrink by about 1 cm.

Space smells like burnt steak.
Astronauts say space has a “metallic” or “burnt meat” smell—thank cosmic radiation for that.

Sloths can hold their breath longer than dolphins.
Sloths can hold it for 40 minutes; dolphins average 10 minutes.

A day on Venus is longer than a year on Venus.
It rotates so slowly that one day lasts 243 Earth days, while a year is only 225.

Your stomach gets a new lining every few days.
Otherwise, it would digest itself!

Your bones are constantly being replaced.
Every 10 years, you get a brand-new skeleton. (Creepy, right?)

There’s a fungus that can take over ants’ minds.
Ophiocordyceps makes them climb to high places and die—then it bursts from their heads.

If you drilled a hole through the Earth and jumped in, you'd come out the other side in 42 minutes.
And you'd be going over 28,000 km/h at the center.

Some turtles can breathe through their butts.
Yep—especially in cold water, they absorb oxygen through their rear ends.

The human nose can detect over 1 trillion smells.
That’s more than your taste buds will ever experience.

There are more stars in the universe than grains of sand on Earth.
Over 100 billion galaxies, each with billions of stars.

You have more bacteria in your body than human cells.
Trillions of microscopic life forms are hitching a ride on you right now.

Some metals explode if they touch water.
Drop cesium or potassium into water and BOOM—instant fireball.

A cockroach can live for weeks without its head.
It only dies because it can’t drink water.

There's a planet made entirely of diamonds.
55 Cancri e—twice Earth’s size—is likely made of pure crystallized carbon.