¿Por qué se celebra el Día Mundial del Cerebro?

#iguru_soc_icon_wrap_69cc36fcc57d9 a{ background: transparent; }#iguru_soc_icon_wrap_69cc36fcc57d9 a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_69cc36fcc57d9 a{ color: #2c8fa0; }#iguru_soc_icon_wrap_69cc36fcc57d9 a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_69cc36fcc58021{ color: #ffffff; }.iguru_module_social #soc_icon_69cc36fcc58021:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_69cc36fcc58021{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_69cc36fcc58021:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_69cc36fcc58112{ color: #ffffff; }.iguru_module_social #soc_icon_69cc36fcc58112:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_69cc36fcc58112{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_69cc36fcc58112:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_69cc36fcc581b3{ color: #ffffff; }.iguru_module_social #soc_icon_69cc36fcc581b3:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_69cc36fcc581b3{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_69cc36fcc581b3:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_69cc36fcc58224{ color: #ffffff; }.iguru_module_social #soc_icon_69cc36fcc58224:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_69cc36fcc58224{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_69cc36fcc58224:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_69cc36fcc58285{ color: #ffffff; }.iguru_module_social #soc_icon_69cc36fcc58285:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_69cc36fcc58285{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_69cc36fcc58285:hover{ background: rgba(255,255,255,0.01); }