Differences Between Males and Females
The physical, emotional, and mental differences between males and females.
Male brain has 3 1/2 billion more brain cells than the female brain
Original references to NCES data base
Additional Graphs of SAT, NAEP, IAEP, ACT, and other sex differences
Look at all the following countries whose 12th graders didn't participate in TIMSS, but whose 8th graders scored up to 100 points higher than ours!