Search results for “primer gran assentament”

How does the PCR test work?

PCR stands for “Polymerase Chain Reaction”. It is a method to specifically track down and reproduce genetic material. In principle similar to a copier. In order for the copier to know what to duplicate, it needs a suitable template - a unique DNA sequence of the virus. Such typical locations in the

The naked truth about scientific models

What is a scientific model and what is it good for? As a prelude to talking about dose-response models on Risk Bites, this week's video is a primer on models -- what they are, and why they are useful. This is part of a series of Risk Bites videos that tackle dose response and response models. Ch

How do air filters work?

How do filters remove particles from the air and reduce exposure - especially the small ones? As this Risk Bites primer shows as it dives into the science of aerosol particle capture, it may not be how you think! Air filters are an important tool for protecting health, improving air quality, and