Zebrafish their larval stages. In 2011, the British Heart Foundation ran an advertising campaign publicising its intention to study the applicability of this ability to humans, stating that it aimed to raise £50 million in research funding. Zebrafish have also been found to regenerate photoreceptor cells and retinal neurons following injury, which has been shown to be mediated by the dedifferentiation and proliferation of Müller glia. Researchers frequently amputate the dorsal and ventral tail fins and analyze their regrowth to test for mutations. It has been found that histone demethylation occurs at the site of the amputation, switching the zebrafish's cells
In the Heart of the Beast Puppet and Mask Theatre include: The annual parade hosted by In the Heart of the Beast Theatre draws large crowds and showcases large puppets and floats and entertainment by performers. Each year's parade/festival has a theme, ranging from Spring and environmental topics to social topics like peace and racial justice. The event also features a festival in Powderhorn Park and a Tree of Life Ceremony involving more than 300 performers. In the Heart of the Beast Puppet and Mask Theatre In the Heart of the Beast Puppet and Mask Theatre (also known as Heart of the Beast or HOBT) is a puppet company and