What do people really need to feel supported at work? Organizational strategist Gabrielle Novacek offers an answer that could transform the traditional approach to diversity, equity and inclusion (DEI) efforts and change how companies...

From poking their own eyes, to drinking a patient's vomit, some extremely passionate scientists have done pretty outrageous things to themselves in the name of science.

From poking their own eyes, to drinking a patient's vomit, some extremely passionate scientists have done pretty outrageous things to themselves in the name of science.

SciShow's Quick Questions explains why bright light can make some people sneeze! Really!

A self-declared "repair geek," Gay Gordon-Byrne is a driving force behind the right-to-repair movement, which aims to empower people to fix their stuff. She describes how the movement is gaining legislative momentum and breaks down how...

While not the kind of epidemic you're used to hearing about, nearsightedness is becoming a major health issue in many places. Learn about how scientists are finding out the reasons behind the increase in myopia, and how sunlight might be...

Out of body and near death experiences. Are they proof of an afterlife? Out of body, mystical experiences are surprisingly common. Does this mean that life after death exists?

A third of people who...

Howcast - Knowing a few tricks of the trade will help you cry at the drop of a hat.

Howcast - Sometimes monotonous work can bore you, and sometimes you just don't get enough sleep. Learn to stay alert if you don't want to get caught dozing at your desk.

Discover the natural reflexes that make you salivate over food and your pupils dilate in bright light.
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Open a discussion on what has...

Why do we sneeze when we look at the sun? What causes the red-eye effect in photos? This segment explores peculiar involuntary responses of the human body, offering scientific explanations for these common yet often misunderstood...

Discover the strange genetic condition of sun sneezing and its potential medical significance.

This video covers

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- How the iris reflex works and allows us to respond to changes in light

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AQA - Only
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An explanation and model illustrating that differences in the apparent brightness of the sun compared to other stars are due to their relative distances from the Earth. Using the power of storytelling and cutting-edge technology this...

How does light work for sleep? Light has a strong influence over the timing of your circadian rhythm. Light triggers the shut down of melatonin in your brain. So we can use this to our advantage when trying to regulate sleep...

And another SHOCKING test ;)

This is a lecture presentation on how the eye forms a clear, sharp image on the retina at the back of the eye. The lecture also explains the process by which the eye changes to focus on near and distant objects, accommodation. The...

Human Body for Kids engages young, inquisitive learners, while the depth of material gets older students ready for tests. Join Kevin and his friends to explore the skeletal, nervous, muscular, circulatory, urinary, respiratory, and...

This video provides a detailed explanation of the structure and function of the eye, including the role of sensory receptor cells and the various parts of the eye such as the sclera, cornea, pupil, iris, lens, ciliary muscles, suspensory...

Sneezing is an involuntary body response that clears the nasal pathways. Learn about various factors that can trigger sneezing, such as allergens, viruses, and bright light. Plus, examine happens in our bodies when we sneeze.

In this lecture, we are going to work with light detection with an LDR.
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This clip is from the chapter "Step-by-Step Learning with Arduino Projects" of the series "The Complete Beginners Guide to Arduino - 2021".In this...

Human Body for Kids engages young, inquisitive learners, while the depth of material gets older students ready for tests. Join Kevin and his friends to explore the senses.

This video is a detailed explanation of how our eyes and ears work, focusing on the process of vision and hearing. It discusses the different parts of the eye and their functions, such as the cornea, iris, lens, and retina. It also...

Brenda Baker continues to save and recycle bottles and cans and intends to donate again once she saves up enough money.