It could be the screen you’re staring at right now. It could be some mysterious environmental factor. Maybe there’s been a change to the nutrients you’re getting (or not getting) from the food you eat. Maybe you’ve been watching a lot of cable news lately? Whatever it is, our pretty decent streak of increasing IQ scores has come to a screeching halt over the past couple of decades. We better figure out the cause soon — if current trends continue, this may be as smart as we’re gonna be. From CNN: IQ scores have been steadily falling for the past few decades, and environmental factors are to blame.

+ Inc compared the average IQ scores in all 50 states. My home state of California is near the bottom of the list. (I never said collecting the day’s most fascinating news was rocket science…)