One group was born in the mid-1950s during the era of atomic testing.

NPR: How A-Bomb Testing Changed Our Trees

But some researchers believe that the generally steady improvement since 1990 means American students are definitely on the right track, especially in this era of high-stakes educational testing.

NPR: Mixed Report Card for U.S. Schools

If his approach catches in a few years from now when gene scanning becomes cheap and easily available, it could herald a new era of do-it-yourself genetic testing.

FORBES: Do-It-Yourself Gene Testing Threatens Myriad's Monopoly