Writing in Psychological Sciences, researchers from New York University and Cornell University say they've demonstrated that our desires influence how we see our environments. According to the new research, we view things we want as being physically closer to us than they actually are. The authors say this bias exists to encourage us to pursue things that we want by making them appear close. When we see a goal as being close to us (literally within our reach), it motivates us to keep on going to successfully attain it.

 People's tendency to match their risk perceptions about policy issues with their cultural values may explain the intense disagreement over proposals to vaccinate young girls against human-papillomavirus (HPV), according to a new study in Law and Human Behavior. The study also indicates people's values shape their perceptions of expert opinion on the vaccine.

Children have a reputation for driving their parents crazy, so chances are that most people don't become parents for the health benefits. But maybe they should. According to a study conducted by researchers at Brigham Young University, raising children is associated with lower blood pressure, particularly so among women.

 Air flows in one direction as it loops through the lungs of alligators, just as it does in birds, and this breathing method may have helped the dinosaurs' ancestors dominate Earth after the planet's worst mass extinction 251 million years ago, according to scientists from the University of Utah.