Fatal error: Allowed memory size of 52428800 bytes exhausted (tried to allocate 8192 bytes) in /home/science/www/nature/wp-content/plugins/ewww-image-optimizer/common.php on line 3401

Fatal error: Allowed memory size of 52428800 bytes exhausted (tried to allocate 20480 bytes) in /home/science/www/nature/wp-includes/plugin.php on line 173