What exactly is Jello made of?

http://www.snopes.com/food/ingredient/jello.asp

This mys­tery has been long been over­due for an expla­na­tion. All I can is “Ewwww!”

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Where does red food dye come from?

http://www.scientificamerican.com/blog/60-second-science/post.cfm?id=beetle-juice-is-your-food-bugged-2009–01-09

I knew this one, but nobody ever believes me…Double ewwwww!

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How about blue food dye while we are at it?

http://www.scientificamerican.com/article.cfm?id=where-does-blue-food-dye

I can speak from per­sonal expe­ri­ence with my son on both red and blue dyes. They have a very pro­nounced effect on his behav­ior. Given that, and their sources, does it make sense to eat it just because it looks nice?

Although bugs are a good source of pro­tein. I think I would rather eat the bee­tle to get the nutri­ents  rather than through M & Ms’ or cos­metic prod­ucts on my skin.