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Human Physiology – Naturally and Artificially Acquired Immunity

>>Dr. Ketchum: So in this part we’re going to focus on immune responses in health and disease. So to begin with, we want to look at naturally versus artificially acquired immunity. So when you think about natural immunity, think about the fact that you’ve somehow been exposed naturally to an antigen. If it’s artificial immunity, […]

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The Science of Sleep (and the Art of Productivity) | Dr. Matthew Carter | TEDxNorthAdams

Translator: Leonardo Silva Reviewer: Rhonda Jacobs I’d like to start by asking you to imagine yourself in the following scenario: you are a high school senior, or the parent of a high school senior, and you’re interested in a potential college, and so you arrange for a campus visit. And you go on a campus […]

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Carbon nanotubes built this bizarre ultrablack material

(upbeat music) – [Cory] What you’re seeing here is an optical illusion, but it’s not the kind that tricks your brain into seeing something that isn’t there. This literally prevents your eyes from seeing something that is there. The mask on the table here is coated with a bizarre compound called vantablack, which is known […]

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Human Physiology – Synaptic Transmission, Neural Integration, and CNS Overview

>>Dr. Ketchum: Walking down a dark alley by yourself after a late night studying Human Physiology at the library, you are feeling a little guilty as you remember that you promised your mom that you would never walk alone at night. Without warning, you hear a crashing sound [metal clanging] from somewhere close behind you. […]

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Human Physiology – Single- and Multi-Unit Smooth Muscle

>>Dr. Ketchum: This video will compare and contrast the two types of smooth muscle: single-unit, also known as visceral smooth muscle, and multi-unit. Multi-unit is in the first column. Single-unit is in the second column. Single-unit, again, is also called visceral smooth muscle. So be sure you know single-unit as visceral smooth and use those […]

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