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Human: The World Within

An Introduction to the Brain and Neurons

Data Processing in the Brain

Data Processing in the Brain

All sight is translated into electrical impulses via the retina to the brain. The eye picks up information in the form of light. This light is instantaneously transformed into electricity, which shoots up to the brain. Once there, the electricity is decoded and formed into a picture. The information is

How Pain is Processed in Our Nerves

How Pain is Processed in Our Nerves

Pain is a phenomenon that is deeply intertwined with the brain and nervous system. When something is wrong with the body, signals travel to our brain as neural impulses. These impulses are then interpreted by the brain as pain, which is basically the body's signal to us that

An Introduction to the Brain and Neurons

An Introduction to the Brain and Neurons

The brain is mission control of the human body and the nervous system. Its 100 billion cells are processing data an incredible speeds. The brain coordinates not only the major functions of the body, but it also is the hub where information is interpreted and stored, and then turned into

The Human Body's Nervous System

The Human Body's Nervous System

An introduction to the amazing functions of the human body's nervous system. This extremely advanced part of our biology is always at work interpreting the world we encounter and helping us decide what to do, and how to react. The secrets of our thoughts and decisions are locked

Engineering Lost Function Inside the Body

Engineering Lost Function Inside the Body

Jason Little lost his hand in a car accident, which he thought meant the end of being able to sense touch in that part of his body forever. Years later, he's now the first user of a new wireless interface that connects to his prosthetic arm and allows

Proprioception - The Sixth Sense

Proprioception - The Sixth Sense

It doesn't usually make the list of the five most important human senses, but proprioception is fundamental. It's our sense of where our bodies exist in space. We can feel where our hand is or where our feet are without looking at them. And we can

The Human Body's Five Senses

The Human Body's Five Senses

An introduction into the amazing functions of the human body's five senses. Our bodies are constantly absorbing different kinds of information from the outside world. Sights, sounds, smells, tastes, feelings. Inside the body all of these things are pieced together to create our individual reality.

The Digestive System

The Digestive System

An introduction to the amazing functions of the human body's digestive system. Our continued survival as individuals and as a species requires energy. And we get that by extracting nutrients from the food we eat. Our digestive system has the job of refining everything we eat into raw

The Gut Microbiome is the Hub of Our Immune System

The Gut Microbiome is the Hub of Our Immune System

The microbiome is the cutting edge of gut science. It's an ecosystem that's made up of trillions of bacteria that instead of making us sick, actually have a big hand in keeping us healthy. When this population of microbes is thriving and in check, it does