¿Por qué se celebra el Día Mundial del Cerebro?

#iguru_soc_icon_wrap_693ae3b84cd81 a{ background: transparent; }#iguru_soc_icon_wrap_693ae3b84cd81 a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_693ae3b84cd81 a{ color: #2c8fa0; }#iguru_soc_icon_wrap_693ae3b84cd81 a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_693ae3b84cdb21{ color: #ffffff; }.iguru_module_social #soc_icon_693ae3b84cdb21:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_693ae3b84cdb21{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_693ae3b84cdb21:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_693ae3b84cdc32{ color: #ffffff; }.iguru_module_social #soc_icon_693ae3b84cdc32:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_693ae3b84cdc32{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_693ae3b84cdc32:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_693ae3b84cdcd3{ color: #ffffff; }.iguru_module_social #soc_icon_693ae3b84cdcd3:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_693ae3b84cdcd3{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_693ae3b84cdcd3:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_693ae3b84cdd54{ color: #ffffff; }.iguru_module_social #soc_icon_693ae3b84cdd54:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_693ae3b84cdd54{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_693ae3b84cdd54:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_693ae3b84cddc5{ color: #ffffff; }.iguru_module_social #soc_icon_693ae3b84cddc5:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_693ae3b84cddc5{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_693ae3b84cddc5:hover{ background: rgba(255,255,255,0.01); }