Neuroscientist Dr. Jared Cooney Horvath tells Senate that Gen Z shows declining cognitive skills in attention, memory, and problem-solving.

A surprising drop in IQ scores worldwide marks a departure from the rising trend established in the late 20th century.

The 20th century witnessed a dramatic increase in IQ, as much as 3 points per decade (see Are you smarter than Aristotle? Part I). The fact that IQ scores increased so much in such a short amount of ...

A Northwestern University study shows a decline in three key intelligence testing categories—a tangible example of what is called the Reverse Flynn Effect. Leading up to the 1990s, IQ scores were ...

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James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

There is a little-known phenomenon known as the Flynn effect. It basically states that from the early 1930s throughout the 20th century, IQ scores have significantly increased all around the world ...