What if?

When humanity almost went extinct and 9 more shocking true stories

Image: The New York Public Library

History is full of near misses—moments where a single decision, accident, or twist of fate could have completely changed the world. From avoided wars to scientific breakthroughs nearly lost, these events remind us how fragile the course of history can be. Here are 10 times history almost took a dramatically different path.

Image: Toby Elliott

Around 70,000 years ago, a supervolcanic eruption in Indonesia nearly wiped out humanity. Genetic evidence suggests that the human population dropped to just a few thousand!

Had the decline been any worse, human civilization might never have recovered or developed as we know it today.

Image: K. Mitch Hodge

The Titanic’s distress flares were seen by the SS Californian, a ship just 10 miles away. However, the captain misinterpreted the signals and failed to respond.

Had the Californian arrived in time, hundreds of lives could have been saved. Instead, the tragedy cemented its place as one of history’s deadliest maritime disasters.

Image: Elimende Inagella

In 1812, Napoleon’s invasion of Russia seemed unstoppable—until an unexpectedly harsh winter decimated his army.

The Russian cold, coupled with severe supply shortages, forced Napoleon’s retreat. Only 10% of his troops survived, marking a turning point in European history.

Image: NASA

During the moon landing, Buzz Aldrin noticed a broken circuit breaker that could have stranded them on the lunar surface. Fortunately, he used a felt-tip pen to fix it.

If the makeshift repair had failed, Neil Armstrong and Aldrin might have been the first men to die on the moon.

Image: Peter Kvetny

In the 14th century, the bubonic plague killed millions. It nearly wiped out entire regions, transforming Europe’s social and economic structure.

If the disease had been slightly more virulent, the Renaissance and Industrial Revolution might never have happened.

Image: Tim Marshall

The Allies originally planned to invade Normandy on June 5, 1944, but a last-minute weather forecast prompted a 24-hour delay.

Had they gone ahead, bad weather could have doomed the invasion. The successful landing on June 6 helped turn the tide of World War II. Fortunately, we learned the lesson from Napoleon!

Image: Mark Stuckey

In 1605, Guy Fawkes’ plot to blow up the English Parliament was foiled at the last minute.

Had it succeeded, much of England’s leadership—including King James I—would have been killed, likely causing a massive power shift.

Image: Dan Meyers

In 1979, a training tape mistakenly showed a full-scale Soviet attack simulation on U.S. computers. Military leaders prepared to launch a counterattack.

The mistake was caught just in time. A nuclear war was narrowly avoided due to human intervention.

Image: Su San Lee

In 1281, a massive Mongol fleet attempted to invade Japan but was wiped out by a typhoon.

The storm, later called the "Divine Wind" (Kamikaze), saved Japan from conquest and altered the course of Asian history.

Image: Oo Jiflip

In 1961, a U.S. B-52 bomber broke apart over North Carolina, dropping two nuclear bombs. One nearly detonated—five of six safety switches had failed.

Had it exploded, the blast would have been 250 times more powerful than Hiroshima, devastating the Eastern Seaboard. The incident remains one of the closest calls in nuclear history.

The truth about your brain

You won’t believe what happens in your brain while you sleep

Image: Milad Fakurian

Your brain is one of the most powerful and mysterious organs in your body. It controls everything from your thoughts to your emotions and even processes information at lightning speed. But how much do you really know about it? Some long-believed myths about the brain have been debunked, while other surprising facts reveal just how incredible this organ truly is. Get ready to be amazed by these fascinating brain facts!

Image: Natasha Connell

You’ve probably heard this one before, but it’s completely false! While it’s true that not all parts of the brain fire at the same time, imaging studies show that most regions are active throughout the day, even when we sleep.

Your brain is constantly working, controlling bodily functions and emotions, and processing information. So next time someone says you’re only using 10% of your brain, you can confidently tell them that’s just a myth!

Image: Aarón Blanco Tejedor

Here’s a weird fact: While your brain processes pain signals from the rest of your body, it has no pain receptors of its own. This is why surgeons can perform brain surgery on conscious patients without causing them pain.

However, the membranes and tissues surrounding the brain do have pain receptors, which is why headaches and brain injuries can be so excruciating.

Image: Usman Yousaf

How come we have headaches if the brain has no pain receptors? Well, that’s because headaches are triggered by chemical activity in the brain, changes in nerves and blood vessels, and even fluctuating serotonin levels.

In some cases, hormones like estrogen can also play a role, which explains why migraines are more common in women.

Image: Go to Johannes Plenio's profile Johannes Plenio

Dreams are proof that your brain never rests! (Warning: this fact can make you feel exhausted.) While you sleep, your limbic system, that is, the part of the brain that deals with emotions, becomes especially active, which is why dreams often feel so intense.

On average, humans experience four to seven dreams per night, even if we don’t always remember them. And what about that scary nightmare about falling? Well, you can thank your amygdala, the brain’s fear center, for that one.

Image: Brett Jordan

Have you ever walked into a room and instantly forgotten what you were after? That’s because short-term memory only lasts about 20-30 seconds! That’s not enough!

Your brain holds a limited amount of information in its active state before deciding whether to store it or discard it. Ironically, we can’t really choose what makes the cut, but we do hope these facts stay with you!

Image: BUDDHI Kumar SHRESTHA

That sharp, icy pain when you eat something too cold? It’s your brain’s way of telling you to slow down! Officially called sphenopalatine ganglioneuralgia, a brain freeze happens when cold food or drinks rapidly chill the blood vessels in your throat, causing them to constrict and then rapidly expand. This sends pain signals to your brain, warning you of the sudden temperature shift. It’s annoying, but it’s actually your body trying to protect itself!

Image: Josh Riemer

You didn’t need us to tell you, but let’s look at the details: The average person has between 12,000 and 60,000 thoughts per day. What’s even more interesting? 95% of those thoughts are the same ones you had yesterday. Is that not surprising enough? Hear this out: 80% of them tend to be negative. That’s because our brains are wired for survival, constantly analyzing risks and potential dangers.

Image: Terry Vlisidis

Even though it only makes up about 2% of your body weight, your brain employs a major quantity of energy! It consumes 20% of your oxygen and blood supply, making it one of the most demanding organs in your body.

If your brain goes without oxygen for just five minutes, brain cells start dying, leading to irreversible damage. This is why deep breathing and cardiovascular exercise are great for brain health!

Image: Alexander Andrews

Do you know that feeling when you hit the back of your head and see stars? That’s because your occipital lobe, which controls vision, is located at the back of your brain. If you get hit there, your brain momentarily misfires, causing flashes of light.

Interestingly, your brain processes vision on the opposite side; while your right brain controls your left eye, your left brain controls your right eye. It’s one of the many ways the brain operates in a complex way.

Image: Rodion Kutsaiev

Believe it or not, your brain generates between 12 and 25 watts of electricity when you’re awake. If you can’t really grasp how powerful that is, check this out: It’s enough to power a small light bulb! Your brain’s electrical activity is what allows neurons to send signals at speeds of up to 260 miles per hour.

Image: Robina Weermeijer

Your brain may be the fattiest organ in your body, consisting of at least 60% fat! This is why consuming healthy fats, like omega-3s and omega-6s present in fish, for example, is essential for brain health.

Healthy fats stabilize brain cell walls, reduce inflammation, and support cognitive function. So go ahead and enjoy that avocado toast, it’s food for your brain!

Image: Robina Weermeijer

It’s not just your memory that fades over time; the brain itself physically shrinks as one gets older. It continues developing until your late 40s, but after that, it slowly decreases in size.

Now, size doesn’t equal intelligence, so a smaller brain doesn’t necessarily mean a less capable one. Staying mentally active, exercising, and eating brain-boosting foods can help keep it in top shape!

Image: Lisa Yount

We often think of cholesterol as bad, but your brain actually depends on it! In fact, 25% of your body’s cholesterol is stored in your brain, where it helps with learning and memory. However, unlike other organs, the brain can’t absorb cholesterol from the blood, it has to produce its own. So, while too much cholesterol in the body can be harmful, the right amount is vital for brain function. At least you can use that as an excuse to get that burger!