Lefties have the advantage in adversarial situations
... and these snails is that in the adversarial mode, lefties have a competitive advantage as long as they remain rare," said Dietl. This parallels some social interactions in human cultures, such as sporting competitions in which left-handed players enjoy an advantage over their right-handed opponents. The fun......sadvantages. One seeming disadvantage is that some lefties are forced as children to become right-handed. In this weeks Journal , Klppel et al. investigated the changes that occur as a consequence of retraining, not only for handwriting but also for more general manual tasks. Using fMRI (functional magnetic...