Scientific American hasn't been the magazine it was for decades -- there's nobody writing columns like what Martin Gardner or A.K. Dewdney used to write that made the general public interested in some mathematical or computational problem. These days it is basically a clone of Discover, and being purchased by its publisher makes sense.

I used to buy Scientific American, but I suspect like so many other print publications it has failed to adapt to the internet.

The other problem is that science is so politicised in recent years. It has to fit within certain parameters or else.