The emerging field of quantum biology investigates whether subatomic phenomena, such as coherence and tunneling, play a functional role in biological processes. A primary area of focus is photosynthesis, where the efficiency of energy transfer from light-harvesting complexes to the reaction center is remarkably high, often exceeding ninety-five percent. Standard classical models of energy transfer, which describe a 'random walk' of excitons through the pigment-protein network, fail to account for this near-perfect efficiency. Instead, researchers have proposed that excitons may exist in a state of quantum coherence, allowing them to sample multiple pathways simultaneously and find the most efficient route to the reaction center. This hypothesis is supported by ultrafast laser spectroscopy, which has detected 'quantum beats', oscillatory signals indicative of coherent energy transfer, in photosynthetic complexes at low temperatures. Critics argue that the warm, noisy environment of a living cell should rapidly destroy quantum states through decoherence, making these effects irrelevant to actual biological function. However, recent evidence suggests that the protein structures surrounding the pigments may actually protect these quantum states or even utilize environmental noise to assist energy transfer. If confirmed, this would imply that biological evolution has selected for mechanisms that exploit quantum mechanical principles to optimize vital life processes.