Human evolution has long been tied to growing brain size, and new research suggests prenatal hormones may have played a surprising role. By studying the relative lengths of index and ring fingers — a ...
Brain-training exercises can improve your cognitive skills, including working memory, verbal memory, and global functioning. Challenging yourself with new activities can also improve brain functioning ...
BRISBANE, South Australia — Check your hands right now. Look at your index finger compared to your ring finger. Scientists say that simple measurement might tell you something surprising about your ...