"June 23, 2006 —The adage "like a kid at heart" may be truer than we think, since new research is showing that grown-ups are more immature than ever.
...
In hunter-gatherer societies, that maturity was probably achieved during a person’s late teens or early twenties, he said.

“By contrast, many modern adults fail to attain this maturity, and such failure is common and indeed characteristic of highly educated and, on the whole, effective and socially valuable people," he said.

"People such as academics, teachers, scientists and many other professionals are often strikingly immature outside of their strictly specialist competence in the sense of being unpredictable, unbalanced in priorities, and tending to overreact.” "

Me Neoteny, you Neoteny, probably Century will be Neoteny- the Neoteny Century [sort of like the Me Generation]. Unless of course the terrorists win. So it's a cage match between the murderers and the kiddies.

Anyways, I can't take it too seriously:
http://dsc.discovery.com/news/2006/06/23/immature_hum.html?category=human&guid=20060623110030
[linked from http://www.junkscience.com/]