The human, and really, animal cell, has made a more than 3 billion year journey to be with us today in its present form. All life on this planet owes their humble beginnings to a shared single cell. Through all of these years, the single, then animal, then human cell has gone through many changes, adding other cells into its bigger self, evolving its DNA, until we have this cell you see before you. In investigating it, we are actually shining a light on our biological past, learning its history.
In the interactive guide to the human cell you find before you, each important structure in the cell has a plus sign next to it. Hover over the plus sign to open an explanation about that structure.
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24 Unbelievable Abilities Your Body Has
The human body is a complex and endlessly fascinating machine, and it might be even more sophisticated than you know...
New Study: Dopamine Does Way More Than We Thought!
How the brain's reward system physically rewires the motor cortex during skill learning — and what happens when that reward signal gets cut off.
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Science Lesson: Common Myths About Evolution Dispelled
This video is going to dispel the many misconceptions about the theory of evolution.
14 Terrific Charts to Satisfy Your Thirst For Knowledge
If reading long articles on a specific topic isn’t your preferred way to spend your pastime, these clever charts and maps might be just what you need.
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You Won't Believe What the Human Body Does in One Minute
How much do you think it is capable of doing in a single minute? Watch this video and you'll have your answer!
1:44
You Won't Believe What the Human Body Does in One Minute
How much do you think it is capable of doing in a single minute? Watch this video and you'll have your answer!
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This Man Gave ChatGPT a Body. This is What Happened.
What if you could build a robot that learns everything from scratch, for just eighty dollars?
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Science: Here's Everything We Know About Pluto
Join us as we unravel the mysteries of far off Pluto, 3.7 billion miles from our Sun.
Hubble Telescope: 35 Years of Incredible Photos
Exploring 35 years of reality-changing, universe-enhancing photos that opened the sights of outer space to us all.
The First Valentine's Day Was Not That Long Ago...
Let us take you on a fun history lesson with these 10 first-ever things that started way back in history and remain to this day.
25 Pics Showing How People in the Past Imagined the Future
Let’s see how the people of the past imagined the future and find out if their fun predictions came true with these 25 vintage pictures
The Newest Innovations in Brain Surgery and the Near Future
Here is a clear, friendly look at the most exciting recent breakthroughs, followed by what experts expect in the decade ahead.
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These 6 Chemical Reactions Changed the Course of History
Although we rarely pay much attention to the chemistry that constantly surrounds us, these 6 reactions changed history.
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Watch These Chinese Robots Amaze the World
In this video, you're going to see just how far these robots can go, as they've been programmed with some truly amazing dance moves,
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Science: What is Reality? Dive in and Find Out!
What if everything you see, feel, and experience isn’t real? The simulation argument suggests that our reality might be nothing more than an advanced computer program.
Satisfy Your Curiosity About the Universe with These Q&As
Discover more about the universe by reading through these facts.
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Will AI Take Your Jobs? An Expert Explains the Future
Gonzaga University's AI professor Graham Morehead some of our most pertinent questions related to AI.
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Astronomy: What is Beyond the Edge of the Universe?
In this video, we explore what modern astronomy reveals about the universe’s boundaries—if they even exist.
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How Every Nuclear Power Got Its Atomics
This video will explain how each nation earned the complex and controversial title of nuclear power.
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Watch as a Fun-Filled Day of Balloons Turns to Disaster!
The 1986 Cleveland Balloon Festival was meant to be a truly joyous occasion but instead quickly turned into a grave tragedy
13 Forgotten Phone Designs That Were Too Odd to Survive
From pen-shaped dialers to phones that clipped onto your clothes, here’s a look at the most unusual phones ever made.
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12 SUPER COOL Military Inventions You’ve Never Seen
Check out this list of amazing new military innovations. They will transform warfare in the near future!
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Witness the Leading New Electronic Devices of 2026
The experts at CNET and PCMag were on the floor, and they've got their favorites. Let's dive in.
New Study: Dopamine Does Way More Than We Thought!
How the brain's reward system physically rewires the motor cortex during skill learning — and what happens when that reward signal gets cut off.
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Earth 2125: A Vision of the Future of Our Planet
Exploring what Earth could look like in 2125 reveals exciting potential.
7 Air Pollution Solutions That Will Help Us Breathe Easy
Let's take a look at some global initiatives that have been launched to reduce air pollution levels.
Science: Can Plants That Come Back From the Dead Save Us?
These extraordinary organisms may hold the key to solving one of the world's most urgent problems: feeding a growing population on a warming, drying planet.
The 10 Most Elaborate Scientific Hoaxes In History!
Some hoaxes throughout history have been so believable, they managed to fool the entire world. Here are 10 of the most elaborate scientific hoaxes in history.
Space Looks Breathtaking in These Amazing Photographs
There are some absolutely stunning photographs of space out there today, You won't believe how incredible it is!
Alzheimer's: What Recent Breakthroughs Have Taught Us
Now, you can discover 4 new studies that show how to do this in ways you haven’t heard of.
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Like Science Mysteries? Enjoy This Giant Compilation!
In this video, we unravel the greatest unsolved mysteries of physics.
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These Paradoxes Continue to Mystify Scientists
Take a look at 7 scientific paradoxes that may never get solved.
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Can Your Brain Get to Grips with These Weird Illusions?
I could have sworn what I was seeing in this video was real! But it wasn't. It was all just an illusion.
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What Happens the Deeper You Go Underground?
What happens when pressure pushes matter beyond the limits of what we thought possible?
13 Astonishing Things You Never Thought You'd See
Here are 13 photos of rare phenomena you never thought you'd see!
8 Biggest Mysteries Still Surrounding the Human Body
Although modern science has revealed much about the human body, there are some things that still remain unknown. Here are the 8 biggest mysteries about it.
Chocolate Exposed! Here's What It Does to Your Brain!
Just what is it that makes chocolate so irresistible to so many people around the world? Find all of the answers in the article.
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How Humans Helped Cats Take Over the World
The relationship between humans and cats goes back as far as 9,500 years. How did it al start? And how did humans help cats essentially take over the world?
These Wacky Inventions of the Past Appear Odd to Us Today!
These vintage tech inventions may look very interesting or even incredible, but their practicality today is questionable...
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Mjøstårnet - The World’s First Wooden Skyscraper
Mjøstårnet is an 18 story tall skyscraper towering over the Norwegian countryside. What makes it so special is that it's made entirely out of wood...
I Bet You Didn't Have a Clue About These Human Body Facts!
The human body is the most complex machine known to mankind, but I bet you don't know these 10 amazing facts about it...
These 11 Brain Facts Are Enough to Boggle Your Mind
When you consider the sheer complexity of the human brain, it's difficult to wrap your head around it. Learn these 11 fascinating facts about the human brain.
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What on Earth Is a Black Hole? This Video Explains All...
What on Earth are black holes, how do they affect us, and should we be at all worried about their existence? Find out here.
20 Incredible Inventions That We Have Completely Lost
Here are some of the most amazing ideas and inventions we have ever seen. But, sadly, all of them have been lost to science in the mysterious mists of history.
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Ever Wonder How a Steel Locomotor Works?
Let’s take a closer look at the engineering behind these compact workhorses.
10 Fascinating Psychological Facts You Should Know About
Psychology is the science of studying the individual and the things that make us, as humans, tick. These 10 psychological facts you've never heard of before will make for fascinating reading material.
Enjoy This Fascinating Collection of NASA's Best Photos!
Here are 15 of NASA's most amazing recent pictures, along with brief explanations of exactly what is going on in each one.
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