How Do Hand Sanitizers Work?

How Do Hand Sanitizers Work?

Alcohol-based hand sanitizers are the ubiquitous little squeeze-bottle heroes of airports and hospitals, our allies against the flu and supposedly effective against all the things that ail ya. But what’s in there? And is it true that they kill 99.99% of germs, as popular brands claim? Most popular hand sanitizers are alcohol-based. The active ingredient Read more about How Do Hand Sanitizers Work?[…]

Types of immunity

Types of immunity

in order to understand how vaccines work we first need to understand how the immune system works and how vaccines stimulate the immune system to provide protection against infectious diseases this short animation will describe how the immune system fights infection and explain how it responds to a vaccine the function of the immune system Read more about Types of immunity[…]

The immune response

The immune response

B and T cells have different functions B cells respond to free antigens or those on the surface of organisms that circulate outside and between cells of the body this includes most types of bacteria however they cannot recognize antigens located inside cells such as viral proteins or certain bacteria such as meningococcal and micro Read more about The immune response[…]

George Carlin - Germs, Immune System

George Carlin – Germs, Immune System

it's just one more way of reducing your liberty and reminding you that they can fuck with you anytime they want as long as you put up with it as long as you put up with it which means of course anytime they want because that's what Americans do now they're always willing to trade Read more about George Carlin – Germs, Immune System[…]

Immune System  - Human Organ systems for kids

Immune System – Human Organ systems for kids

it is from nothing daddy's gonna make me genius back up if you guys see more science videos go to www.azpbs.org how are you now I got you some flowers oh my god bless you looks like your immune system is working really hard don't you know about the immune system they are the most Read more about Immune System – Human Organ systems for kids[…]