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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How the Deadliest Parasite Became So Lethal
A fascinating look at an evolutionary jump a micro-organism made from one way of life to become one of the most brutal parasites the world has ever known.
17 Fascinating Facts About Anything and Everything
The world never ceases to surprise us. Here are 17 fascinating facts about history, nature, recent affairs, and anything in between.
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Fascinating: How Fast Does Our Brain Operate?
Ever wonder at what speeds our thoughts move?
14:29
Human Development is Fascinating - 6 Rare Twin Types
There are more types of twins than just identical and fraternal, which suggests that we have a lot more to learn about human development...
5:34
Medical Lesson: What ARE Enzymes?
This handy animated video is perfect for the job of explaining what enzymes are.
5:12
This Sea Creature Can Live a Whole Year Without Food!
We're taking a look at some interesting sea creatures that can photosynthesize like plants.
10:11
10 Smart Home Gadgets You Didn’t Know You Needed
If you’ve ever wanted a smarter, more efficient home, these 10 gadgets might be exactly what you need.
11:15
These Paradoxes Continue to Mystify Scientists
Take a look at 7 scientific paradoxes that may never get solved.
2:41
Trick-Mousing is Such Adorable Entertainment...
Mice are much cleverer than most people believe, and they easily respond to training, as long as you use positive reinforcement, or in other words - reward them frequently for their behavior with food.
Science in 2025: 8 Developments That Could Change it All
Here are some of the most exciting trends in science and healthcare to keep an eye on.
2:03:03
Full Documentary: From First to Last Dinosaur
With stunning visuals and cutting-edge science, we’ll bring their story to life—from their very first day to their last, a saga of survival, adaptation, and mystery.
12:34
The World You See Doesn't Really Exist...
his video reveals how your brain constructs reality instead of simply perceiving it.
2024's Biggest Breakthroughs in Science We Must Celebrate
These recent scientific breakthroughs could change the world.
A Quantum Leap? Revolutionary Technique Discovered
Scientists at Singapore University have developed a groundbreaking manufacturing method powered by artificial intelligence that may revolutionize how we understand and create quantum materials at the atomic level.
3:07
The Speed of Light Visualized in a Magnificent Video
Have you got the patience? Watch, in scale, just how long it takes light to travel from Earth to Mars
21:51
What Will the Universe Look Like in 10 Quintillion Years?
These questions take us beyond science into the realm of imagination, as we contemplate the ultimate fate of our Universe and everything within it.
4:52
Neon Lights: a Beautiful Union of Science and Art
Neon signs are a beautiful blend or artistry and science, and knowing the history and the science behind them make them even more exciting
58:37
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.
15 Beautiful Carl Sagan Quotes on the Stars and the Cosmos
A look at some profound quotes on the universe by famous astronomer and cosmologist Carl Sagan.
2:11
Here are Some Unique Tricks You Can Do at Home With Salt!
This video shows us a few interesting magic tricks that you can do anytime using salt, ice, and other items you can find at home.
12 Steps That Help to Explain Einstein's Famous Theory
Have you ever wondered what Einstein's Theory of Relativity is all about? If you have, here is an easy-to-understand explanation!
17:03
What is a Ballistic Missile and is Its Purpose?
Why is the ballistic missile so feared, and what exactly qualifies it as such - will all be explained in this informative video.
5:22
Why Do You See Colors When You Rub Your Eyes?
Explore the science of afterimages, the visual illusions that linger in your vision following exposure to bright lights or images.
18:21
Fascinating: How Do Cats TRULY See Humans?
Understanding a cat's world is the key to strengthening your bond. Let's decode your cat's mind!
What is the Troxler Effect and How Does it Affect You?
Learn about Troxler's effect and the optical illusions it creates in life.
8:19
You Won't Believe What Passes for a Phone in North Korea
You won't believe what phones look like in North Korea!
12 Bizarre Scientific Facts You Never Learned at School
The scientific facts we collected in this list aren't the kind of stuff you'll see in a school curriculum.
4:57
Fascinating: How Does Our Digestive System Work?
This video explains how the human digestive system does its daily.
How AI Is Fixing Problems Humans Struggle With
Here’s how AI is quietly reshaping the world in ways that actually matter.
Uncover the Secrets of the Universe in These Documentaries
This list of riveting space documentaries will help you unlock the mysteries of the universe and beyond.
1:17
The Age of the Affordable Android Robots is Here...
Meet the Unitree R1 – the game-changing humanoid robot that just shattered every price expectation in robotics.
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.
5:01
The Truth About Folding Phones You Need to Know
Don’t buy a foldable without knowing this first.
8:11
Fascinating: What is the Deepest Hole Humanity Has Dug?
This video explains how low humanity has dug down so far.
19:27
20 of the Most Infamous Tech Product Flops In History
Here's a look at some of the most infamous and biggest technology failures in recent history.
13:41
The 5 Most Important Fossil Discoveries from Last Year
2024 saw some really amazing fossil discoveries!
4:49
This Video Shows You a Different Way to Look at the World
You’ve heard of the fourth dimension but do you know what it is? This TED-Ed video helps uncover a bit of the mystery.
38:55
What Happens the Deeper You Go Underground?
What happens when pressure pushes matter beyond the limits of what we thought possible?
5:17
How Exactly Do We Hear? All is Revealed Here!
In this informative TED-Ed video, Douglas L. Oliver explains the complete science behind hearing.
8:48
Fascinating: What Around Us is Invisible?
The Invisible Things that Turn the World...
Travel From the Sun to Pluto With Our Interactive Guide!
The solar system is a fascinating place, and we wanted to bring you an interactive journey that you can use to travel through it. Enjoy the journey!
17 Incredible Eye Facts You Have To See To Believe
They say the eyes are the window to the soul, and they also happen to be our windows to the world. Here are 17 insanely fascinating facts about eyes.
9 of the Greatest Unsolved Mysteries About the Universe!
The universe has been around for close to 14 billion years, but it still holds many mysteries that continue to perplex scientists. Here's 9 of them!
These Underwater Craft Are Changing Marine Science
Here's a look at the most remarkable machines currently expanding our understanding of the underwater world.
9:09
Protective Measures: How Our Body Reacts to a Tattoo
In this video, we’ll explore the microscopic war raging beneath your skin, where millions of your cells make the ultimate sacrifice to lock that ink in place, turning a defense mechanism into lifelong art.
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!
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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