People look at the animal specimens during the Science Rendezvous event at the University of British Columbia in Vancouver, British Columbia, Canada, on May 13, 2023. (Photo by Liang Sen/Xinhua)

A child participates in a science experiment during the Science Rendezvous event at the University of British Columbia in Vancouver, British Columbia, Canada, on May 13, 2023. (Photo by Liang Sen/Xinhua)

Children watch the pond water organisms through a microscope during the Science Rendezvous event at the University of British Columbia in Vancouver, British Columbia, Canada, on May 13, 2023. (Photo by Liang Sen/Xinhua)

People watch a magnetic field experiment demonstration during the Science Rendezvous event at the University of British Columbia in Vancouver, British Columbia, Canada, on May 13, 2023. (Photo by Liang Sen/Xinhua)