Interesting article: "Best evidence so far that humans are still evolving" Scientists say.
lightyears.blog.cnn.com Post by CNN's Thom Patterson.
The data allowed scientists to track the ages at which female residents had their first
born child. Among those women, the average age of first reproduction dropped from
26 to 22. The study support the idea that increasingly younger birth ages were influenced
by genetic changes caused by natural selection. In other words, the propensity to have
a child at a younger age is the result of inherited genetic traits, the study suggest.
(Evolution means that organisim change over time based on inherited traits).