Female body may be an indicator of intelligence, according to scientists from the University of Pittsburgh and the University of California. They relied on the study of mental abilities of more than 16,000 women. Full story

Surprisingly, our brain cells start dying as we turn twenty. When we reach that age, the number of our neurons is increasingly dropping. But this is a natural process of aging that has no impact on our intellectual ability. Alternatively, our brain activity increases every year. There is a stopover on the way, though. According to scientists from the University of California, LA, when we turn 39, our thought processes stop gathering pace and decline slowly. Full story