Environmental: How We Got to Now

PBS has a new series called “How We Got to Now”.  I just watched the first episode titled “Clean”.  It was all about the how and why of sewer systems, trash pickup (not as much info on this one), disinfection of drinking water (nice overview of the cholera outbreak in London and the link to drinking water), household cleaning products and ended with clean rooms.

.Here’s the link:  http://video.pbs.org/video/2365347150/ watch the video and respond below.

How is DNA, proteins, genes, and chromosomes similar? How are they different

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