GMO... yet another thing we're supposed to worry about with our food only we're not really sure why or how big of a deal it is. Turns out, genetically modified food is... a real mixed bag. It's all over the place, from being the tool of greedy corporations, to being a useful tool for farmers, to having some potential to actually change lives. Maybe. We'll see. Turns out, folks are much more eager to try the whole being greedy thing before they get to the rest of it.

Learn what GMOs are, what it has to do with your groceries, and whether or not it's something you really need to worry about, all in this episode of The Cliff's Edge.

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If you've ever wondered about how wolves turned in to dogs thousands of years ago, you might have thought it probably took a long time. You might have thought that it was a complicated process, that all sorts of factors came in to play to domesticate the wolf. And you would be in good company.

Well, a rebellious Russian geneticist back in the 1960's wondered about this too, and he decided to try to develop a dog from scratch. Only, wolves are a pain, and he had already done work with red foxes, so he set about to turn a fox into a dog.

The results were surprising. And pretty cute. And the experiment is still running to this day. Find out how to domesticate red foxes, and what that tells us about evolution and domestication in particular, in this episode of The Cliff's Edge.

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Like its big brother, climate change, sea level rise is not only coming... it's already here. The oceans have gotten 8 inches higher today than they were in the year 1900, and they're getting higher, faster. Given that 40% of the United States population lives in coastal areas, not to mention major cities and a multitude of communities all around the world... well it seems like maybe this is a big deal. 

And it's only going to become a bigger deal, depending on how much we slack off on curbing carbon emissions. We could be looking at another foot or 30 centimeters of sea level rise by 2100, or maybe by 2050. Or we could be looking at 9 feet by 2100. A lot depends on us, right now and every day moving forward. Find out how bad things could get, what could happen, and what we can do about it, on this episode of The Cliff's Edge.

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