You’ll See Yourself Differently After These 10 Fascinating Facts About Humans

You are about to rediscover the human body and why we do things the way they are. The majority of the reason is actually rooted in how we evolved and the way of life of our ancient ancestors. Let’s find out 10 of these fascinating facts about humans

1. Humans Smile Because of Survival

Long ago, it was a sign that showing your teeth that you were not dangerous. However, the studies behind this are split and not definitive. Many argue that humans started smiling to show others that we are friendly and not a threat. Whether it is true or not, it is a fact that today, a simple smile still makes people feel safe and welcome.

Source: Mission Hills Family Dental

2. Goosebumps Are Ancient Warnings

We all often get goosebumps when we are scared or feel some type of emotion. However, in the past, it was actually your body thinking that there is an imminent threat and that you need to look bigger to appear stronger, as back then, the bigger you are, the more dangerous other animals will think you are.

This trait actually originated from other animals, where they try to scare away their enemies by fluffing up their fur and looking as big as they can. Even though today we don’t have much fur compared to our ancestors, our bodies still react the same way.

Source: Discover Magazine

3. Crying Brings People Together

Humans are the only animals that can cry because of emotional feelings. Long ago, this trait helped our ancestors signal for help or comfort from others. Other animals can cry too, due to physical reasons like lubrication of the eyes, but we are the only ones who do it because we are sad or feel other emotions.

Today, even in the modern world, tears are still a signal that brings people closer because they let others know that we need support.

Source: Discover Magazine

4. Why We Hold Hands

Have you ever questioned why we hold hands and not just hug each other every time? It was developed first by primates who used holding hands to feel safe and comfortable. It created a stronger social bond and maintained their group’s relationships.

It is the simplest way to let others know that you are there and for you to feel connected and even protected by them. That is why even today, holding someone’s hands still makes us feel better.

Source: American Museum of Natural History

5. Babies Are Drawn to Faces

Human babies are born with a strong preference to see a face or even patterns that look like human faces. This evolutionary trait is for infants to help develop attachment bonds and feel safer that there are caregivers.

This preference is also crucial for social interaction and for babies to learn more about the environment they are in, including the relationships of people around them.

Source: KeaBabies

6. We Smile Like Chimps Do

Smiling did not actually begin with humans; before us, there were already chimps and other primates who shows their teeth in a similar way. Just like us, it is to signal peace or friendliness.

Some scientists estimated that it was about 30 million years ago when primates started doing this to show predators that they are harmless. It is also a form of showing submission to the animals they recognized as stronger or higher in their social hierarchy.

Source: The Denture and Implant Centre

7. Fear of Snakes and Spiders Is Ancient

Do you have a fear of snakes and spiders, even if you have not seen deadly ones? Well, you are not alone, as most people actually have this fear hardwired in their brains too.

Scientists believe that this is because spotting them fast in the past helped our ancestors survive, as the forests they lived in most probably had tons of spiders and snakes lying around, living together with them.

Source: National Geographic

8. Hugging Calms the Brain

You probably know that hugging other humans helps reduce fear and stress, especially in dangerous situations, or in circumstances that your body recognizes as dangerous, even if it is not.

Basically, if the fight or flight system is triggered in your body, the warmth pressure of a hug can release calming chemicals in the brain. That is why even today, a simple hug can me us feel safe and less alone, even without those dangerous situations.

Source: Healthing.ca

9. Eye Contact Builds Trust

A lot of people in the modern world find it hard to maintain eye contact, but before, it helped our ancestors recognize friends from threats. Looking into someone’s eyes shows that you are paying attention and most probably not hiding anything.

So, even in today’s world, holding eye contact with another person makes them feel like you are there, it makes them feel seen, safe, and understood.

Source: Living with Limerence

10. Singing Was a Social Glue

We didn’t always know how to speak, but our ancestors still communicated with each other just like today. What they used is humming and singing, which helped them stay close and connected.

It helped their social groups bond and feel less afraid in the dark or during hard times, telling each other that they are not alone in this. That is why singing together still brings us comfort and unity today. Most likely, you will still get that feeling of not being alone when you sing with others.

Source: Alice Bulmer Music

Author's Final Thoughts

From our smile, shiver, and even goosebumps, the reasons are ancient and just random. These quirks that we have now are what connect us to the humans of the past. They have passed it down to us as a reminder that even in the modern world, we’re still carrying the traits that helped them survive and connect with each other. We hope you learn something new today, and here are more facts to explore.

Related: You Need to Know These 10 Unknown Facts Before Anyone Else Does