The Best of Quirks & Quarks features fascinating discoveries from various scientific fields. The James Webb Telescope's observations of the early universe are unveiling numerous baby black holes, prompting questions about their simultaneous emergence with galaxies. Hippos, despite their impressive jaws, struggle with chewing due to evolutionary adaptations prioritizing other functions. The Great Wall of China's longevity is credited to biocrusts, a living layer that protects the structure from erosion. In an intriguing revelation, sea stars have evolved to mostly consist of a head, foregoing significant body and tail development. Additionally, the potential of geologic hydrogen as a clean energy source is explored, suggesting a promising future energy resource. The program also addresses a listener's query about temperature fluctuations in sunlit Arctic regions, providing insights from an astronomy expert. The collection of stories showcases the diversity and complexity of scientific research and its implications across different disciplines.