What would a city designed for the blind be like? Chris Downey is an architect who went suddenly blind in 2008; he contrasts life in his beloved San Francisco before and after -- and shows how the thoughtful designs that enhance his life...

The video is about the journey of an entrepreneur who started from a small mom and pop store selling window coverings and blinds. He explains how the company grew and expanded into the online world, becoming the largest online seller of...

This video explains how the brain processes visual information and what happens to the visual areas of the brain when someone is blind. It also explores neuroplasticity and how the brain can reorganize itself in response to blindness,...

In this video, we explore the blood supply to the brain, the vertebrobasilar system, and the Circle of Willis.

In this video, we discuss the basic structure of the visual pathway and then the effects on vision by lesions on specific structures in that pathway.

The lower Congo River is treacherous, turbulent, and very deep. While that might seem like an inhospitable habitat, hundreds of species of fish thrive there, including some that are really bizarre!SciShow is supported by Brilliant.org.

SciShow graphics guy Louey Winkler discusses LED contact lenses and the implications of enhancing and assisting human beings with technology, and then attempts to stump Hank with a physics riddle. Jessi from Animal Wonders shares Stumpy...

Deafblind pioneer Helen Keller campaigned for a better America – with the help of a remarkable watch that she didn’t have to see to read.

Every day there are news reports of new health advice, but how can you know if they're right? Doctor and epidemiologist Ben Goldacre shows us, at high speed, the ways evidence can be distorted, from the blindingly obvious nutrition...

Your ability to see color relies on just three types of cones in your eye. Join us as we explain how these "brother" cones work together to paint your world, what happens when one is missing (color blindness), and test your own vision...

This video provides an overview of the development process for new drugs, from discovery to clinical trials. The presenter explains the different stages of testing, including preclinical testing on cells, tissues, and live animals, and...

Researchers at Carnegie Mellon developed an AI bot with superhuman AI skills. Will they release it to the public? Alternatively, watch me slowly get blinded by the rising sun.

This video provides an overview of the process of testing and trialing new drugs before they can be prescribed to the general public. It explains the preclinical testing phase, then describes the three stages of clinical trials. The...

Back in 2021 we did an episode on Semaglutide, the then-recently-approved drug for weight loss that was originally approved for Type 2 diabetes. Since that episode another paper has come out on what happens to weight when the drug is...

A blind king rode into battle, two armies clashed over a stolen bucket, and a severed head got its revenge by killing an earl. These medieval war stories sound completely fake - but they're all real.

He's back! Dan gets cursed again on his way to a new Side Quest adventure, this time in Dark Souls II. Once again, this will be a mostly blind playthrough from someone who's never played the game before. Watch him get