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Coming up, a proposal to shake up biomedical research.

So what this does is it shifts the burden of non-rigorous science from the community to the scientists themselves.

And a whole new system for controlling gene expression in our cells.

In that second when the student showed me the data, I knew this was the potential paradigm shifting breakthrough.

Plus some highlights from the meeting of the American Association for the Advancement

of Science. This is the Nature Podcast for February the 23rd, 2017. I'm Adam Levy. And I'm

Charmany Bandell.

At our Nature podcast team meeting last week, we spotted an upcoming feature entitled

A New Twist on Epigenetics.

It sounded very cool, but none of us could guess what it might be about.

So I rang up Cassandra Williard, who wrote the feature, and she started by giving me a quick

epigenetics catch-up class.

So epigenetics is basically the reason that you have the same DNA in every cell, but you have

more than 200 different cell types, because it's controlling which genes are expressed and which

genes are silenced. Switching genes on and off is vital for the body to be able to control which proteins are produced in each cell,

and therefore how each cell functions.

...