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Didn't want to know?! Fascinating and scary trivia & fun facts

Even though we think we don’t want to know scary stories, our curiosity tends to win and we end up watching or listening anyway, right? In this article, we’ve collected general-audience scary trivia and fun facts—the kind that gives you chills but you just can’t stop reading.

Some of it might make a few people regret seeing it a little, but there’s also plenty that’s good to know.

If you’re the type who wants to be informed—about the good and the bad—then follow your curiosity and check it out!

Scary Trivia About Earth, Space, and Life (1–10)

A person who is exposed to outer space will suffocate to death in about 90 seconds.

A person who is exposed to outer space will suffocate to death in about 90 seconds.

If a person were to be exposed to outer space without a spacesuit, they wouldn’t explode immediately.

They would lose consciousness within about 90 seconds and die from lack of oxygen.

Because the pressure is extremely low, the water in the body would begin to boil, leading to abnormalities in the blood and the dangerous swelling of the skin and organs.

Contrary to what is often depicted in movies, the body does not rupture instantly; the real space environment is quiet yet unfailingly lethal.

Even in such harsh conditions, the ongoing pursuit of space exploration can be attributed to humanity’s strong spirit of inquiry.

Many viruses will be released when permafrost thaws due to global warming.

Many viruses will be released when permafrost thaws due to global warming.

As global warming progresses, the layer of frozen ground known as permafrost is gradually beginning to thaw.

This layer has trapped plants, animals, and microorganisms from thousands of years ago, and it may also contain pathogens such as viruses and bacteria.

Those that were inactive while frozen could potentially become active again.

Because there is a risk that viruses unknown to modern human society could spread, the thawing of permafrost is a serious concern not only as an environmental issue but also for public health.

It’s a piece of trivia that conveys the risks and dangers posed by global warming.

There are parasites that turn their hosts into zombies.

There are parasites that turn their hosts into zombies.

Zombies are staple monsters in fantasy and horror works—creatures we think of as existing only in fiction.

However, there are terrifying parasites in the real world that can alter their hosts much like zombies do.

They infect specific animals, invade their brains, and manipulate the host’s behavior to ensure the parasite’s own survival.

The grotesque way they force their hosts to perform actions they would never normally do makes them feel eerily zombie-like—a truly chilling phenomenon.

An object that falls into a black hole becomes thin like spaghetti.

An object that falls into a black hole becomes thin like spaghetti.

One phenomenon that objects approaching a black hole experience is called spaghettification.

This occurs when gravity differs drastically between your feet and your head, causing the body to be stretched out lengthwise.

In regions where strong gravity renders ordinary physical laws inapplicable, perceptions of time and space are also severely distorted, and much of what happens inside a black hole remains shrouded in mystery.

Scientifically, this phenomenon is caused by what’s known as tidal forces.

It’s a bit of trivia that deepens the mysteries of the universe by revealing gravity at its extremes.

There is a jellyfish called the immortal jellyfish, Turritopsis dohrnii.

There is a jellyfish called the immortal jellyfish, Turritopsis dohrnii.

Immortality has been studied since ancient times.

You might think it exists only in fiction, but in fact there is an immortal creature in the real world: the Turritopsis, a jellyfish that also lives in Japan.

Typically, jellyfish have a lifespan of about one year.

However, Turritopsis repeatedly rejuvenates itself and can live indefinitely.

There are even efforts to apply the mechanisms of Turritopsis to humans, so perhaps the day will come when we, too, can become immortal.