Behind the Aliens-Will-Smite-Us News Story

Would these guys want to come here?

It isn’t every day that a research paper published in an obscure academic journal attracts its own, full blown article in a major newspaper. It isn’t every day that a science correspondent writes an article that merits a headline as bizarre as the following: Aliens may destroy humanity to protect other civilizations, say scientists.
One of the main assertions of this Guardian news story has already been withdrawn......read article

 Can't grow a freaking' thing up here, global cooling and there is no CO2!  

Co2 is the magic gas that makes plants grow JoNova

A little under half (typically about 45%) of the dry weight of any plant is carbon, and almost all that “C” came from CO2 in the atmosphere. No wonder plants love more CO2.

Trees and bushes can grow out of cracks in rocks because they suck the carbon right out of the air. Likewise hydroponics is only possible because the building blocks come from liquid and aerial fertilizer.

CO2 is about the only “pollution” you can pump around plants and watch them grow faster, stronger, taller and indeed more resistant to most of the stresses that normally bother a plant.......Read full article