Interesting Veritasium YouTube on PCR tests and how they came to be

[gmax137]

I found this to be very interesting - as someone who never really paid attention to biology. I have heard of PCR testing during the CoVid days, but I didn't know what "polymerase" is, or what "chain reaction" had to do with the test.

 

[jedishrfu]

Veritaseum is always a good source of interesting stuff.