I've been trying to catch Nova scienceNOW (yes, that's how it's written) on PBS with that engaging host, astronomer and American Museum of Natural History researcher, Neil deGrasse Tyson. It's one more way to keep up with new developments in a range of sciences, and to see what merits the attention of the mainstream. Last week, there was a piece on epigenetics, (a repeat show, I think) which I had never heard of (so shoot me), or at least it had never registered with me. Fascinating stuff illustrated with why identical twins can develop such disparate lives - one getting a life-threatening disease when the other doesn't - we're finally unravelling how gene expression works.
There are some resources about epigenetics on the site linked above, including a video of the segment from the show.
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