¿Por qué se celebra el Día Mundial del Cerebro?

#iguru_soc_icon_wrap_68f7799805476 a{ background: transparent; }#iguru_soc_icon_wrap_68f7799805476 a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_68f7799805476 a{ color: #2c8fa0; }#iguru_soc_icon_wrap_68f7799805476 a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_68f77998054a41{ color: #ffffff; }.iguru_module_social #soc_icon_68f77998054a41:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_68f77998054a41{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68f77998054a41:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68f77998054b52{ color: #ffffff; }.iguru_module_social #soc_icon_68f77998054b52:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_68f77998054b52{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68f77998054b52:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68f77998054bf3{ color: #ffffff; }.iguru_module_social #soc_icon_68f77998054bf3:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_68f77998054bf3{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68f77998054bf3:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68f77998054c64{ color: #ffffff; }.iguru_module_social #soc_icon_68f77998054c64:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_68f77998054c64{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_68f77998054c64:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_68f77998054cd5{ color: #ffffff; }.iguru_module_social #soc_icon_68f77998054cd5:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_68f77998054cd5{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_68f77998054cd5:hover{ background: rgba(255,255,255,0.01); }