¿Por qué se celebra el Día Mundial del Cerebro?

#iguru_soc_icon_wrap_6a7526e3ecd01 a{ background: transparent; }#iguru_soc_icon_wrap_6a7526e3ecd01 a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_6a7526e3ecd01 a{ color: #2c8fa0; }#iguru_soc_icon_wrap_6a7526e3ecd01 a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_6a7526e3ecd321{ color: #ffffff; }.iguru_module_social #soc_icon_6a7526e3ecd321:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6a7526e3ecd321{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a7526e3ecd321:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a7526e3ecd442{ color: #ffffff; }.iguru_module_social #soc_icon_6a7526e3ecd442:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6a7526e3ecd442{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a7526e3ecd442:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a7526e3ecd4e3{ color: #ffffff; }.iguru_module_social #soc_icon_6a7526e3ecd4e3:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6a7526e3ecd4e3{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a7526e3ecd4e3:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a7526e3ecd574{ color: #ffffff; }.iguru_module_social #soc_icon_6a7526e3ecd574:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6a7526e3ecd574{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_6a7526e3ecd574:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6a7526e3ecd5e5{ color: #ffffff; }.iguru_module_social #soc_icon_6a7526e3ecd5e5:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6a7526e3ecd5e5{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_6a7526e3ecd5e5:hover{ background: rgba(255,255,255,0.01); }