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The jellyfish is probably the most well-known out of all the animals without a heart.

Do Any Animals Not Have A Heart?

It is so hard to imagine life without a heart being possible. However, some animals manage to survive just fine without one. They do not need a heart for the constant flow of oxygen and nutrients. These animals include the jellyfish, flatworms, corals, polyps, starfish, sponges, and several others.

June 22, 2020 13:00

A giraffe only has one heart.

How Many Hearts Does A Giraffe Have?

This is a fairly easy question since a giraffe only has one heart. However, this heart is incredibly large since it needs to be able to pump blood through the extremely long neck of a giraffe. The cardiovascular system of a giraffe is actually quite fascinating, so why not explore it further?

June 22, 2020 12:00

Elephant seals can hold their breath for two hours on average.

What Can Hold Its Breath For 2 Hours?

There are actually many animals that can hold their breath for longer periods of time. Many of them can do it for two hours, while others can go even longer than that.

June 22, 2020 11:00

Portrait of a loggerhead turtle (Caretta caretta).

Which Animal Can Hold Its Breath The Longest?

Many animals can hold their breaths for extremely long periods of time, but the loggerhead turtle is the most impressive one. It can live on just one breath for approximately 10 hours.

June 21, 2020 17:00

It’s a spectacular, mesmerizing sight, a gigantic mammal flinging itself out of the ocean.

Why Do Whales Jump Out Of The Water?

What is the purpose of them violently bursting out from the surface of the sea? The term experts use for these jumps is breaching, and they have only recently discovered why the whales do it. As it turns out, they use it as a means of communication.

June 21, 2020 13:00

Has a whale ever swallowed a whole human being?

Has A Whale Ever Swallowed A Person?

The closest thing to a whale swallowing a human being happened recently, in 2019, when Rainer Schimpf, a photographer, was scooped up by a whale with his mouth. However, he was not swallowed, since only half of his body was inside of the mouth of the whale, and it quickly spat him out.

June 21, 2020 12:00

The concept of time is essential in our daily life.

The Beginnings Of The Concept Of Time

According to the theory of relativity, time began with the Big Bang since that is the furthest we can go in the past. Human beings noticed patterns of movement in nature and started to compare singular events of their everyday lives, and over many years and many inventions, this resulted in the concept of time as we know it today.

June 20, 2020 17:00

The Rocky Mountain columbine, the state flower of Colorado. Image credit: Kris Wiktor/Shutterstock.com

The Official Flowers In Each US State

Each US state has an official state flower. These were carefully chosen to represent a state’s spirit and its people’s character.

June 19, 2020 06:35

There are many theories that tackle the ideas that explain the end of the universe.

Where Is The End Of Space?

Infinity is something that is equally hard to deconstruct. When we talk about the size (and time!) of the universe we live in, we are faced with the same problems. Where does the universe end, and does it actually have an end?

June 16, 2020 07:54

The planet with the highest number of known moons is Jupiter.

Which Planet Has More Than 16 Moons?

Out of the eight planets that make up our solar system, quite a few of them actually have more than 16 moons. However, the planet with the highest number of known moons is Jupiter.

June 11, 2020 18:00

Upon returning from space, many astronauts noticed a peculiar smell that they started feeling once they took off their helmets.

Does Space Have A Smell?

Upon returning from space, many astronauts noticed a peculiar smell that they started feeling once they took off their helmets. Most of them described the smell as either “welding fumes”, “hot metal” or a “seared steak”. Weird!

June 11, 2020 13:00

People often mention that Saturn, the second-largest planet in the Solar System, could float in water. Is this true?

Can Saturn Float In A Bathtub?

People often mention that Saturn, the second-largest planet in the Solar System, could float in water. Is this true? If we found a huge bathtub and placed Saturn in it, would it float?

June 9, 2020 21:00

Capitalism can be defined as an economic system in which the economy of a country is controlled by private owners that profit from it, and not the country itself.

What Is The Future Of Capitalism?

Capitalism can be defined as an economic system in which the economy of a country is controlled by private owners that profit from it, and not the country itself. This makes it seem like the perfect economic system, the one that can help anyone strive and succeed. There are multiple perspectives one can take when talking about capitalism, but most of them are starting to see some serious faults in the system.

June 9, 2020 13:00

When we talk about reflections, we are most commonly referring to the interaction that is happening between light and different types of surfaces.

Why Do Reflections Happen?

When we talk about reflections, we are most commonly referring to the interaction that is happening between light and different types of surfaces. Reflections happen because a particular surface can not absorb the light coming into it, and it disperses the light particles away. 

June 6, 2020 11:00

Image credit: Janossy Gergely / Shutterstock.com

What Was The Largest Forced Migration In Human History?

There were many forced migrations throughout the history of our society, and quite a few of them were quite large. These types of migrations can often leave an indelible trace on the history of our planet.

June 5, 2020 13:06

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