HealthParts of the brain form a circuit that may fuel smoking addiction Some smokers lose their cravings after experiencing damage to specific parts of the brain, suggesting these areas form a network that somehow fuels the habit ¿ìè¶ÌÊÓÆµ
LifeDolphins who are hand-fed by tourists are less social than their peers Tourists can hand-feed some dolphins around the coast of Australia, but dolphins fed this way are less likely to form strong social bonds with their peers ¿ìè¶ÌÊÓÆµ