Error message

Deprecated function: Optional parameter $js declared before required parameter $element is implicitly treated as a required parameter in include_once() (line 1445 of /var/www/html/mathtube.org/includes/bootstrap.inc).
Deprecated function: Optional parameter $input declared before required parameter $form_state is implicitly treated as a required parameter in include_once() (line 1445 of /var/www/html/mathtube.org/includes/bootstrap.inc).

Changing the Culture 2022

Title	Date	Speaker
2022 PIMS Education Prize: Sean Graves (...	May 20, 2022	Sean Graves
Changing the Culture 2022 Plenary: Logic in...	May 20, 2022	John Baldwin